@ I never teach my pupils. I only provide the conditions in which they can learn.-Albert Einstein
" We Provide All Subjects Material " AND " HOME or ONLINE TUITIONS " : AKSHARA ACADEMY : 8106607447 (Hyd).....FREE Educational Videos : https://www.youtube.com/foundation4iit


               A Complete General Science Objective type for all entrance examinations

1 )From which mineral is radium obtained?
A. Rutile B.Haematite
C. Limestone D.Pitchblende
Answer: Option D
2 ) Actinides are the elements with atomic numbers from
A. 97 to 104
B. 101 to 115
C. 89 to 103
D. 36 from 43
Answer: Option C
3 ) The filament of an electric bulb is made of
A. tungsten B.nichrome
C. graphite D.iron
Answer: Option A
4 ) Diamond is an allotropic form of
A. germanium B.carbon
C. silicon D.sulphur
Answer: Option B
5 )Permanent hardness of water can be removed by adding
A. chlorine
B. washing soda
C. potassium permanganate
D. bleaching powder
Answer: Option B
6)LPG consists of mainly
A. methane, ethane and hexane
B. ethane, hexane and nonane
C. methane, hexane and nonane
D. methane, butane and propane
Answer: Option D
7)Marsh gas is
A. nitrogen B.ethane
C. methane D.hydrogen
Answer: Option C
8 ) Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
A. Television
B. Refrigerator
C. Tube light
D. Cooking gas
Answer: Option B
9 ) Which of the following does not contain a coinage metal?
A. Silver and Gold
B. Zinc and Gold
C. Copper and Silver
D. Copper and Gold
Answer: Option B
10 )Bell metal is an alloy of
A. nickel and copper
B. zinc and copper
C. brass and nickel
D. tin and copper
Answer: Option D
11)Which of the following is not an isotope of hydrogen?
A. Tritium B.Deuterium
C. Protium D.Yttrium
Answer: Option D
12)Amalgams are
A. highly coloured alloys
B. alloys which contain mercury as one of the contents
C. alloys which have great resistance to abrasion
D. alloys which contain carbon
Answer: Option B
13 )Which of the following metals remain in liquid for under normal conditions?
A. Radium B.Zinc
C. Uranium D.Mercury
Answer: Option D
14) Which of the following substances is a bad conductor of electricity but a good conductor of heat?
A. Mica B.Perspex
C. Celluloid D.Asbestos
Answer: Option A
15)Which of the following does not contain a coinage metal?
A. Silver and Gold
B. Zinc and Gold
C. Copper and Silver
D. Copper and Gold
Answer: Option B
16)Water is a good solvent of ionic salts because
A. it has a high specific heat
B. it has no colour
C. it has a high dipole moment
D. it has a high boiling point
Answer: Option C

17) Which of the following is not an isotope of hydrogen?
A. Tritium B.Deuterium
C. Protium D.Yttrium
Answer: Option D
18 ) Brass gets discolored in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen sulphide
C. Carbon dioxide
D. Nitrogen
Answer: Option B
19 ) Chlorophyll is a naturally occurring chelate compound in which central metal is
A. copper B.magnesium
C. iron D.calcium
Answer: Option B
20) Which of the following metals forms an amalgam with other metals?
A. Tin B.Mercury
C. Lead D.Zinc
Answer: Option B
1. The bell metal is an alloy of-
(a) Nickel and copper
(b) Zinc and copper-
(c) Tin and copper
(d) Tin and aluminum
(e) Brass and nickel
Answer. (c)
2. Parsec is a measure of-
(a) Brightness of heavenly body
(b) Astronomical distance
(c) Density of stars
(d) Orbital velocity of giant stars
Answer. (d)
3. By fixation of nitrogen is meant-
(a) Manufacture of nitrogen
(b) Liquefication of nitrogen
(c) Conversion of nitrogen into nitric acid
(d) Conversion of atmospheric nitrogen into
Useful compounds
(e) Mixing of nitrogen with other elements
Answer. (d)
4. Atoms of the same element, i. e., having the
Same atomic number that differ in atomic
Weight, are called-
(a) Isotopes
(b) Isomers
(c) Isobars
(d) Isohytes
(e) Isotherms
Answer. (a)
5. The quantum number that tends to specify
The orientation in space for an orbital is the-
(a) Principal quantum number
(b) Orbital quantum number
(c) Magnetic quantum number
(d) Spin quantum number
(e) Azimuthal quantum number
Answer. (c)
6. Carbohydrates are the compounds of-
(a) Carbon and hydrogen
(b) Carbon, oxygen and hydrogen
(c) Carbon, oxygen, hydrogen and nitrogen
(d) Carbon, nitrogen and hydrogen
(e) None of these
Answer. (b)
7. The tides in the ocean are due to-
(a) Wind over the oceans
(b) Gravitational pull of the moon
(c) Rotation of the earth
(d) Revolution of the earth
Answer. (b)
8. When water freezes its density-
(a) Increases
(b) Decreases
(C) remains constant
(d) Becomes zero
Answer. (b)
9. A chemical reaction that takes place with
the evolution of heat is called a/an-
(a) Reversible reaction
(b) Endothermic reaction
(c) Thermal reaction
(d) Exothermic reaction
(e) Irreversible reaction
Answer. (d)
10. The manufacture of iron ore
Involves the process of-
(a) Oxidation
(b) Reduction
(c) Fractional distillation
(d) Electrolysis
(e) None of the above
Answer. (b)
11. A double convex air bubble in water would
Behave as a-
(a) Convergent lens
(b) Divergent lens
(c) Both as convergent and divergent lenses
(d) None of them
Answer. (b)
12. Which of the following has the strongest
Bleaching property?
(a) Chlorine
(b) Fluorine
(c) Bromine
(d) Iodine
(e) Lithium
Answer. (a)
13. The most abundant element in the earth’s
Crust is-
(a) O
(b) Al
(c) Si
(d) Fe
(e) N
Answer. (a)
14. Which of the following gases do not form
Part of the atmosphere?
(a) Nitrogen
(b) Chlorine
(c) Carbon dioxide

(d) Oxygen
(e) Ozone
Answer. (b)
15. Nitric acid does not react with-
(a) Copper
(b) Gold
(c) Silver
(d) Zinc
(e) Iron
Answer. (b)
16. Oxygen is manufactured by the fractional
Evaporation of-
(a) Water
(b) Liquid air
(c) Hydrogen peroxide
(d) Liquid oxygen
(e) None of the above
Answer. (b)
17. Sodium burns in air to give-
(a) Sodium peroxide
(b) Sodium hydroxide
(c) Sodium monoxide
(d) Sodium oxide and sodium nitride
(e) Sodium oxide and sodium nitride
Answer. (a)
19. Argon gas was discovered by-
(a) William Ramsay
(b) Charles
(c) Cavendish
(d) John Davy
(e) Alfred Werner
Answer. (A)
19. Formaldehyde is the starting material for
The manufacture of-
(a) D. D. T.
(b) Rayon
(c) Bakelite
(d) Caprolactam
(e) Nylon
Answer. (c)
20. During burnings of fuels, carbon and
Hydrogen present in the fuels are-
(a) Converted into carbon dioxide and
Water vapour
(b) Released into the atmosphere
(c) Absorbed by the surroundings
(d) Converted into alkanes
(e) Reduced
Answer. (a)
21. Dry ice is-
(a) Ice which never melts
(b) A term used for insensitive persons
(c) Solid carbon dioxide
(d) Frozen heavy water
(e) None of these
Answer. (c)
22. The compound which can be used to
Prepare iodoform is-
(a) Accetic acid
(b) Methyl iodide
(c) Acetone
(d) Propionaldehyde
(e) Oxalic acid
Answer. (c)
23. The phenomenon of “metamerism” is
Shown by-
(a) Acetone and Propionaldehyde
(b) Methyl propylether and diethyl ether
(c) Ethyl alcohol and dimethyl ether
(d) Propionic acid and acetic acid
(e) Oxalic acid and lactic acid
Answer. (b)
24. If two liquids have widely different boiling
Points, they may be separated by-
(a) Steam distillation
(b) Decantation
(c) Evaporation
(d) Fractional distillation
(e) Sublimation
Answer. (d)
25. What is laughing gas?
(a) Carbon dioxide
(b) Sulphur dioxide
(c) Nitrous oxide
(d) Hydrogen peroxide
(e) Carbon monoxide
Answer. (c)
1. General gas equation is
(a) PV = RT
(b) PV= mRT
(c) PV = Constant
(d) = constant
2. An isolated system is one, which
(a) Permits the passage of energy and matter
across the boundaries
(b) Permits the passage of energy only
(c) Does not permit the passage of energy and matter across it
(d) Permits the passage of matter only
3. In an isolated system, boundary of the system is
crossed by
(a) Heat
(b) Work
(c) Mass
(d) Both (a) and (b) above
4. The characteristic of a control volume is/are
(a) The volume, shape and position with respect to an observer are fixed
(b) Material flow across the boundary
(c) Both (a) and (b) above
(d) None of the above
5. Specific heat is the amount of heat required to raise the temperature
(a) By unit degree of a substance
(b) By unit degree of a unit mass
(c) Of a unit mass by 10°
(d) None of the above
6. Internal energy of a perfect gas depends upon
(a) Temperature only
(b) Temperature and pressure
(c) Temperature, pressure and specific heats
(a) None of the above
7. With rise of temperature, the specific heat of
(a) Increases
(b) Decreases
(c) First decreases to minimum then increases
(d) Remains constant
8. For a closed system, difference between the heat added to the system and work done by the gas, is
equal to the change in
(a) Enthalpy
(b) Entropy
(c) Internal energy
(d) Temperature
9. Specific heat of water is
(a) 1
(b) 0.1
(c) 0.97
(d) None of the above
10. Properties of the system, whose value for the entire system is equal to the sum of their values
for individual parts ofthe system, are known as
(a) Thermodynamic properties
(b) Extensive properties
(c) Intensive properties
(d) None of the above
1. The extensive property of a thermodynamic system is
(a) Viscosity
(b) Surface tension
(c) Refractive index
(d) Heat capacity
12. Thermal equilibrium between two or more bodies exists, when they are brought together; there is no change in
(a) Density
(b) Pressure
(c) Temperature
(d) All of the above
13. When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium
with each other This statement is
(a) Zero the law of thermodynamics
(b) First law of thermodynamics
(c) Second law of thermodynamics
(d) None of the above
14. First law of thermodynamics deals with conservation of
(a) Mass
(b) Heat
(c) Momentum
(d) Energy
15. According to first law of thermodynamics
(a) total energy of a system remains constant
(b) total energy of a system during a process
remains constant
(c) enthalpy entropy and total energy remains constant
(d) none of the above
16. For the measurement of thermodynamic property known as temperature, is based on
(a) Zeroth law of thermodynamics
(b) First law of thermodynamics
(c) Second law of thermodynamics
(b) Third law of thermodynamics
17. Energy can neither be created nor destroyed but only converted from one form to another. This
statement is
(a) Zeroth law of thermodynamics
(b) First law of thermodynamics
(c) Second law of thermodynamics
(d) None of the above
18. Kelvin-Plank’s law’ deals with
(a) Conversion of work into heat
(b) Conversion of heat into work
(c) Conservation of work
(d) Conservation of heat
19. A perpetual motion machine of the first kind is a machine which produces power without
consuming any energy is,
(a) Possible according to first law of thermodynamics
(b) Impossible according to first law of thermodynamics
(c) Impossible according to second law of thermodynamics
(d) Possible according to second law of thermodynamics
20. Heat flows from cold substance to hot substance with the aid of external work This statement is
given by
(a) Kelvin
(b) Joule
(c) Gay Lussac
(d) Clausius
21. The fastest moving gas molecules are of
(a) Oxygen
(b) Hydrogen
(c) Chlorine
(d) Nitrogen
22. In actual gases, the molecular collisions are
(a) Elastic
(b) Plastic
(c) Inplastic
(d) Ineclastic
23. If a perfect gas, undergoing any change in the variable, which control physical properties, it’s
behaviour is governed by
(a) Boyle’s law
(b) Charles’s law
(c) Gay Lussac law
(d) All of the above
24. According of Boyle’s law at constant temperature PV= C. In this relation value of C
depends upon
(a) Atmospheric pressure
(b) Quantity Of the gas
(c) Molecular weight of the gas
(d) All of the above
25. Change of internal energy is proportional to the change of temperature. This is
(a) Boyle’s law
(b) Charles’s law
(c) Joule’s law
(d) Gay Lussac law
1. A bullet of mass A and velocity B fired into a block of wood of mass C. If loss of any
mass and friction be neglected, the velocity of the system must be
(a) AB/A+C
(b) A+C/B+C
(c) AC/B+C
(d) A+B/AC
Ans. (a)
2. A rocket works on the
(a) first law of motion
(b) second law of motion
(c) third law of motion
(d) law of conservation of energy
Ans. (c)
3. 1 dyne is equal to
(a) 980 g wt
(b) 1/100 g wt
(c) 980 kg wt
(d) none of these
Ans. (b)
4. Two skaters A and B of mass 50 kg and 70 kg respectively stand facing each other
6 metres apart. They then pull on a light rope stretched between them. How far has
each moved when they meet?
(a) Both have moved 3 metres.
(b) A moves 2.5 metres and B moves 3.5 metres.
(c) A moves 3.5 metres and B moves 2.5 metres.
(d) A moves 2 metres and B moves 4 metres.
Ans. (c)
5. A body of mass M collides against a wall with velocity V and rebounds with the same speed. Its change of momentum is
(a) zero
(b) MV
(c) 2MV
(d) –MV
Ans. (c)
6. A bullet in motion hits and gets embedded in a solid resting on a frictionless table.
What is conserved?
(a) Momentum and kinetic energy
(b) Momentum alone
(c) Kinetic energy alone
(d) Neither momentum nor kinetic energy
Ans. (b)
7. A man sitting in a train in motion is facing the engine. He tosses a coin up,
the coin falls behind him. The train is moving
(a) forward with uniform speed
(b) backward with uniform speed
(c) forward with acceleration
(d) forward with deceleration
Ans. (b)
8. If the mass of a body is 12.1 g and the density is 2.2 g/cc, its volume is
(a) 1.5 cm3
(b) 8 cc
(c) 11 cc
(d) 55 cc
Ans. (a)
9. Brine has a density of 1.2 g/ccc. 40 cc of it are mixed with 30 cc of water.
The density of solution is
(a) 2.11 g/ccc
(b) 1.11 g/ccc
(e) 12.2 g/ccc
(d) 20.4 g/ccc
Ans. (b)
10. If a force of 10 N acts on surfaces of areas in the ratio 1: 2. then the ratio of
thrusts is
(a) 1:2
(b) 2:1
(c) 3:1
(d) 1.1
Ans. (d)
11. The buoyant force depends on the
(a) depth of a liquid
(b) density of a liquid
(c) colour of a liquid
(d) none of these
Ans. (b)
12. A force of 50 N is applied on a nail of area 0.00 1 sq. cm. Then the thrust is
(a) 50 N
(b) 100 N
(c) 0.05 N
(d) 10 N
Ans. (a)
13. A piece of wood floats in water. What happens to it in alcohol?
(a) Floats higher
(b) Stays as before
(c) Sinks
(d) Sinks and rises
Ans. (c)
14. An ice cube is floating in a glass of water. What happens to the water level when
the ice melts?
(a) Rises
(b) Falls
(c) remains same
(d) First rises and then falls
Ans. (c)
15. The SI unit of pressure is
(a) atmosphere
(b) dyne/cm2
(c) pascal
(d) mm of Hg
Ans. (c)
16. A body of mass 50 kg has a volume 0.049 m3.The buoyant force on it is
(a) 50 kg f
(b) 50N
(e) 49N
(d) 49kg f
Ans. (d)
17. If two masses A and B have their masses in the ratio 1: 4 and their volumes are equal,
then the densities have the ratio
(a) 1:4
(b) 4:1
(c) 2:1
(d) 3:1
Ans. (a)
18. If the density of a block is 981 kg/m3, it shall
(a) sink
(b) float
(c) float completely immersed in water
(d) float completely out of water
Ans. (b)
19. As the density of a series of liquids increases, the upthrust on the iron rod submerged
(a) increases
(b) decreases
(c) remains constant
(d) nothing can be said
Ans. (a)
20. The SI unit of thrust is
(a) N
(b) dyne
(c) kg wt
(d) N m-2
Ans. (a)
21. The total force exerted by the body perpendicular to the surface is called
(a) pressure
(b) thrust
(c) impulse
(d) none of these
Ans. (a)
22. At sea level, atmospheric pressure is
(a) 76 cm of Hg column
(b) 76 cm of Hg column
(c) 0.76 cm of Hg column
(d) 76 cm of water column
Ans. (a)
23. Atmospheric pressure is measured by a
(a) doctor’s thermometer
(b) peedometer
(c) mercury barometer
(d) none of these
Ans. (c)
24. The weather forecasting department uses………as the unit of pressure,
(a) bar
(b) N m-2
(c) Pa
(d) mm of Hg
Ans. (a)
25. Which of the following physical quantity has no unit?
(a) Relative density
(b) Density
(c) Pressure
(d) Thrust
Ans. (a)
8. Dimensions of surface tension are:
(a) [M2L2T2]
(b) [M2LT2]
(c) [MT2]
(d) [MLT2]
Ans. (c)
1. The dimensional formula for Plancks constant and angular momentum is:
(a) [ML2T2] and [MLT-1]
(b) [ML2T-1] and [ML2T-1]
(c) [ML3T1] and [ML2T-2]
(d) [MLT-1] and [MLT-2] ‘
Ans. (b)

1.    Deficiency of proteins and calories (Protein Energy Malnutrition - PEM) generally occurs in     Growing children       
2.    What is the indication of Protein Energy Malnutrition - PEM    underweight      
3.    What are the most serious forms of Protein Energy Malnutrition - PEM    Kwashiorkor and Marasmus       
4.    Human body contains about _____ minerals.     24      
5.    Minerals are needed for     Formation of bones and teeth, maintenance of osmotic pressure of body fluids, blood formation by iron etc.       
6.    Deficiency of Calcium and Phosphorus causes _____ in children and _____ in adults.     Rickets, Osteomalacia       
7.    Deficiency of sodium chloride are     Urine loss, kidney damage, acidosis       
8.    Why is Magnesium important for human body?     for the proper functioning of various metabolic pathways and ion channels       
9.    What are the deficiencies of magnesium     Irritability, hyperreflexia       
10.    Iron is essential for the formation of _____.     Haemoglobin      
11.    What is the deficiency of iron     Anaemia      
12.    Which tablets should be given for the treatment of iron deficiency?     Ferron sulphate       
13.    Iodine is found in _______.     Dairy products, seafood, kelp, eggs, some vegetables and iodised salt.      
14.    Why is Iodine required for our body?     synthesis of thyroid hormones, thyroxine and triodothyronine       
15.    What are the deficiencies of Iodine?     Cretinism, still birth, neonatal hypothyroidism, damage of hearing and brian development, can cause an enlarged thyroid gland (goitre)       
16.    Prevention of Iodine deficiency is     consumption of iodised salt       
17.    Inadequate amounts of fluorine cause     Dental decay       
18.    Measles, an infectious disease, especially of children, that causes fever and small red spots that cover the whole body is treated with     Vitamin A       
19.    Night blindness and xerophthalmia are caused due to the deficiency of which vitamin?    Vitamin A       
20.    Rickets in children and osteomalacia in adults are the deficiency of which vitamin?     Vitamin D       
21.    In pregnancy, which vitamin helps the development of a baby's bones.     Vitamin D       
22.    Which vitamin helps our body absorb calcium through the small intestine.     Vitamin D      
23.    Lack of exposure to sunlight can lead to which vitamin deficiency?     Vitmain D       
24.    Rickets is a preventable bone disease of early childhood, caused by which vitamin deficiency.     Vitamin D       
25.    Vitamin E deficiencies are     habitual abortion, muscular dystrophy, testicular degeneration       
26.    Deficiencies of Vitamin K is     haemorrhage or delay in blood clotting       
27.    Which vitamin could prevent serious bleeding in newborn babies, including Haemorrhagic Disease of the Newborn (HDN)     Vitamin K       
28.    Vitamin C is also called ______.     Ascorbic acid       
29.    Vitamin C deficiencies are     Swelling and bleeding of gums, anaemia and weakness       
30.    Deficiency of Vitamin B1 known as thiamine is     Beriberi      
31.    Deficiency of Vitamin B3 also known as Niacin is     Pellagra      
32.    Why is some small amount of sun exposure is needed to keep us healthy?     This is because we need vitamin D which is made by the action of sunlight (UVB rays) on the skin.       
33.    Oral zinc is used for treating _____ in children.     Diarrhoea   
Inventions/Discoveries    Name of the Scientist/Person       
Adding Machine    Pascal      
Aeroplane    Wright brothers      
Air Brake    George Westinghouse      
Air Pump    Otto von Guericke      
Airship (rigid)    G. Ferdinand Von Zeppelin      
Aniline Dyes    Hoffman      
Antiseptic Surgery    Lord Joseph Lister      
Arc Lamp    C. F. Brush      
Archimedean Screw    Archimedies      
Atom    Neils Bohr      
Atomic Number    Mosley      
Atomic Physics    Enrico Fermi      
Atomic Structure    Bohr and Rutherford      
Atomic Theory    Dalton      
Automatic gearbox    Hermann Fottinger      
Automobile    Daimler      
Automobiles using gasoline    Karl Benz      
Avogadro's Hypothesis    Avogadro      
Bacteriology    Robert Koch      
Bacteriophage    Max Delbruck      
Bakelite    Leo H Baekeland      
Balloon    Jacques and Joseph Montgolfier      
Ball-Point Pen    John J. Loud      
Barometer    Evangelista Torricelli      
Behaviorism    B. F. Skinner      
Beri - Beri    Eijkman      
Bicycle    Kirkpatrick Macmillan      
Bicycle Tyre    J.B. Dunlop      
Bifocal Lens    Benjamin Franklin      
Binomial Nomenclature    Carl Linnaeus      
Biogenetic Principle    Ernst Haeckel      
Bismuth     Valentine      
Blood Circulation    Harvey      
Blood Groups    Karl Landsteiner      
Bomb    Edward Teller      
Boson    S.N.Bose      
Boyle's law    Boyle      
Braille    Louis Braille      
Breaking up the Nucleus of an atom    Rutherford      
Calculating machine    Pascal      
Camera    George Eastman      
Carburetor    Gottlieb Daimler      
Carburettor    Gottlieb Daimler      
Cash register    William Burroughs      
Cell Doctrine    Rudolf Virchow      
Celluloid     A.Parker      
Cement     Joseph Aspdin      
Cenema    A.L. and J.L. Lumiere      
Centrigrade scale    A. Celsius      
Chemical Structure    August Kekule      
Chemotherapy    Paul Ehrlich      
Child Development    Jean Piaget      
Chloroform    James Harrison and James Young Simpson      
Cholera Bacillus    Robert Koch      
Chromosomal Theory of Heredity    Thomas Hunt Morgan      
Chronometer     John Harrison      
Cine camera    Friese-Greene      
Cinematograph    Thomas Alva Edison      
Cinematography    Thomas Alva Edison      
Circulation of the Blood    William Harvey      
Classical Field Theory    Michael Faraday      
Clock (machanical)    Hsing and Ling-Tsan      
Clock (pendulum)    C. Hugyens      
Coloured Photography    Lippman      
Computer    Charles Babbage      
Continental Drift    Alfred Wegener      
Cosmic Rays    R.A.Millikan      
Crescograph    J.C.Bose      
Crystal Dynamics    C.V.Raman      
Cyclotron    Lawrence      
D.D.T.    Dr.Paul Muller      
Deciphering the genetic code    Dr.Hargobiad Khorana      
Deuterium (Heavy Water)    H.C.Urey      
Diesel Engine    Rudolf Diesel      
Diesel Oil Engine    Rudolf Diesel      
Difference engine    Charles Babbage       
Electrons    J.J.Thomson      
Laws of Planetary Motion    Kepler      
North Pole    Robert Peary (1909)      
Solar System    Copernicus (1540)      
South Pole    Amundson (1912)      
Specific Gravity    Archimedes      
West Indies    Columbus (1492)      
Drinker's Chamber of Iron Lung    Dr.Philip Drinker      
Dynamical theory of Heat    Lord Kelvin      
Dynamite    Alfred B. Nobel      
Dynamo    Michael Faraday      
Effect of Pressure on trough bodies    Meghnad Saha      
Eightfold Way    Murray Gell-Mann      
Electric Battery    Alessandro Volta      
Electric Flat Iron    H. W. Seeley      
Electric Furnace    William Siemens      
Electric Generator    Michael Faraday      
electric guitar    Adolph Rickenbacker      
Electric iron    H.W. Seeley      
Electric Lamp    Thomas Alva Edison      
Electric Measurement    Gauss      
Electric Motor (AC)    Nikola Tesla      
Electric razor     Jacob Schick      
Electrical Waves    Heitz      
Electricity    Faraday      
Electromagnet     William Sturgeon      
Electromagnetic Field    James Clerk Maxwell      
Electromagnetic Theory    Maxwell      
Electron    Joseph J. Thomson      
Electron Theory    Bohr      
Electronic Computer    Dr. Alan M. Turing      
Elevator    Elisha G. Otis      
Energy of the Sun    Hans Bethe      
Equal sign (=)?    Robert Recorde      
Ethology    Konrad Lorenz      
Eugenics    Francis Galton      
Evolution    Charles Darwin      
Evolution (theory)    Charles Darwin      
Evolutionary Theory    Ernst Mayr      
Fahrenheit Scale    Fahrenheit      
Film & Photographic goods    Kodak      
Film (with sound)    Dr. Lee de Forest      
Foundations of Biology    Jean Baptiste Lamarck      
Foundations of Mathematics    Euclid      
Founding of Modern Physiology    Claude Bernard      
Founding of Psychology    Wilhelm Wundt      
Fountain Pen    Lewis E. Waterman      
Fundamental Laws of Electric Attraction    Coulomb      
Galvanometer    Andre-Marie Ampere      
Gas lighting    William Murdoch      
Gasoline engine    Karl Benz      
Genetic Code    Frederick Sanger      
Geometry    Euclid      
Germ Theory of Disease    Louis Pasteur      
Glider     Sir George Caley      
Gramophone    Thomas Alva Edison      
Gun powder    Rogei Bacon      
Heavens    William Herschel      
Heavy Hydrogen    Urey      
Helicopter    Broquett      
Heliocentric Universe    Nicolaus Copernicus      
Helium Gas    Lockyer      
Homoeopathy    Hahnemann      
Hovercraft    Christopher Cockerell      
Human Sexuality    Alfred Kinsey      
Hydrogen    Cavendish      
Hydrophobia    Louis Pasteur      
I.Q. Test    Alfred Binet      
In Number Theory    Ramanujam      
Incandescent Bulb    Edison      
Induction Coil    Rohm Korff      
Induction of Electric Current    Faraday      
Insulin    F.Banting      
Intelligence test    Binet      
Internal Combustion Engine    Otto      
Jeans    Levi Strauss      
Jet Engine    Sir Frank Whittle      
Jet Propulsion    Frank Whittle      
Kala-azar Fever    U.N.Brahmachari      
Kaleidoscope    David Brewster      
Laboratory Gas Burner    Robert Wilhelm Von Bunsen      
Laughing Gas    Priestley      
Law of Electrolysis    Faraday      
Law of gases    Gay Lussac      
Laws of Electrical Resistance    Ohm      
Laws of Gravitation    Newton      
Laws of Heredity    Gregory Mandel      
Laws of Inheritance    Gregor Mendel      
Laws of Motion    Newton      
Laws of Multiple Proportion    Dalton      
Laws of Natural Selections    Darwin      
Life Boat    Henry Great Head      
Lift    E.G. Otis      
Lift (Elevators)    Otis      
Lightning Conductor    Benjamin Franklin      
Line of demarcation (ship)    Plimsoll      
Linotype    Mergenthaler      
Liquid Oxygen    Dewar      
Locomotive    Richard Trevithick      
Logarithmic Tables    John Napier      
Logarithms    John Napier      
Machine Gun    Dr. Richard Gatling      
Malarial Parasite    Ronald Ross      
Match (safety)    J.E. Lurdstrom      
Mathematical Astro Physics    Chandrasekhar      
Mathematical Genius    Carl Gauss (Karl Friedrich Gauss)      
Mauve dye    Perkin      
Measurement of Electrical Energy    Joule, James Prescoft      
Mechanical Equivalent of Heat    Joules      
Mercury Thermometer    Fahrenheit      
Meson    Hideki Yakawa      
Microphone    Johann Phillip Reis, Alexander Graham Bell, Elisha Gray, Amos E. Dolbear, and Thomas Edison      
Microscopic Anatomy    Marcello Malpighi      
Modern Anthropology    Franz Boas      
Modern Astronomy    Arthur Eddington      
Modern Computer    John von Neumann      
Modern Geology    Charles Lyell      
Modern Physiology    William Bayliss      
Modern Synthesis    Theodosius Dobzhansky      
Modern Telescope    Edwin Hubble      
Molecular Biology    Francis Crick      
Molecular Scattering of light in fluid    Ramanathan      
Montessori Method    Maria Montessori      
Motion of the Planets    Johannes Kepler      
Motor Car (petrol)    Karl Butler      
Movie Projector    Thomas Alva Edison      
Neon Gas    Ramsay, Travers      
Neon-lamp    G. Claude      
Neurophysiology    Charles Sherrington      
Neutron    Chadwick      
New Anatomy    Andreas Vesalius      
New Astronomy    Tycho Brahe      
New Science    Galileo Galilei      
Newtonian Mechanics    Pierre Simon de Laplace      
Newtonian Revolution    Isaac Newton      
Nuclear Fission    Otto Hahn, Bohr and Fermi      
Nylon    Dr. Wallace H. Carothers      
Nylon Plastic    Carothers      
Organic Chemistry    Emil Fischer      
Origin of Species    Charles Darwin      
Oxygen    Priestly      
Paints    Shalimar      
Paper clip    Johann Vaaler      
Parking meter    Carlton Mcgee      
Penicillin    Alexander Fleming      
Periodic Law    Mendeleef      
Periodic Table of Elements    Dmitri Mendeleev      
Pharmacology    Gertrude Belle Elion      
Phonograph    Edison      
Photograph    Dauguerre      
Photography (paper)    W.H. Fox Tablot      
Phototherapy    N.R.Finsen      
Pneumatic Tyres    John Boyd Dunlop      
Positive Electrons    Anderson      
Power Loom    Edmund Cartwright      
Powerloom    Cartwright      
Principle for lever (S.P.Gravity)    Archimedes      
Printing for the Blind    Braille      
Printing Press    Johannes Gutenberg      
Psycho-analysis    Dr.Sigmund Freud      
Psychology of the Unconscious    Sigmund Freud      
Quanta    Max Planck      
Quantum Cosmology    Stephen Hawking      
Quantum Electrodynamics    Richard Feynman      
Quantum Mechanics    Max Born      
Quantum Theory    Werner Heisenberg      
Quantum Theory    Max plank      
Raazor (safety)    K.G. Gillete      
Rabies Vaccine    Louis Pasteur      
Radar    Dr. A.H. Taylor and L.C. Young      
Radio    G. Marconi      
Radio transmitter    Alexanderson      
Radioactive Dating    Willard Libby      
Radioactivity    Marie Curie      
Radio-activity of Uranium    Henry Becquerel      
Radium    Madame Curie      
Railway Engine    Stephenson      
Raincoat    Charles Macintosh      
Raman effect    C.V.Raman      
Rare Gas    Cavandish      
Rayon    American Viscose Co.      
Razor (electric)    Col. J. Schick      
Refrigerator    James Harrison, Alexander Catlin      
Replacing human heart    Christian Barnard      
Revolution in Chemistry    Antoine Laurent Lavoisier      
Revolver    Samuel Colt      
Rise of German Science    Hermann von Helmholtz      
rubber (vulcanized)    Charles Goodyear      
Rubber (waterproof)    Charles Macintosh      
Safety lamp    Sir Humphrey Davy      
Safety Pin    William Hurst      
Safety Razor    King C. Gillette      
Salk Vaccine    Salk      
Saxophone    Antoine Joseph Sax      
Scientific astronomy    Hippalus      
Scientific Thinking    Lucretius      
Scooter    G. Bradshaw      
Seismograph    Roberts Mallet      
Sewing Machine    Thomas Saint       
Sextant    Hadley      
Ship (steam)    J.C. Perier      
Ship (turbine)    Sir Charles Parsons      
Shorthand    Sir Isaac Pitman      
Sociobiology    Edward O. Wilson      
Soviet Genetics    Trofim Lysenko      
Space flying    Braun, Dr.Wernher Von      
Spectroscope    Bunsen      
Spectroscopy    Gustav Kirchhoff      
Spinning frame    Sir Richard Arkwight      
Spinning jenny    James Hargreaves      
Stainless Steel    Harry Brearley      
Steam boat    Fulton      
Steam Engine    James Watt      
Steam engine (condenser)    James Watt      
Steam engine (piston)    Thomas Newcome      
Steam Turbine    Parsons      
Steel Melting Process    Bessemer      
Steel production    Henry Bessemer      
Stethoscope    Dr. William Stokes, Rene Laennec      
Stress Concept    Hans Selye      
Structural Anthropology    Claude Levi-Strauss      
Structure of DNA    James Watson      
Structure of the Atom    Ernest Rutherford      
Submarine    David Bushnell      
Sulpha Drugs    Domagk      
Superconductivity    Heike Kamerlingh      
Symbiosis Theory    Lynn Margulis      
Symbol (x)?    William Oughtred      
T.N.T.    llly Brandt      
Talkies    Lee-de-Frost      
Tank    Sir Ernest Swington      
Telegraph    Samuel Morse      
Telegraphic Code    Samuel Morse      
Telephone    Sir Alexander Graham Bell      
Telescope    Galileo      
Television    Baird      
Television (mechanical)    John Logie Baird      
Tempo of Evolution    George Gaylord Simpson      
Terylene    J. Whinfield and H. Dickson      
The long playing microgroove record    Peter Goldmark      
Theory of conditioned reflex    Pavlov      
Theory of Evolution    Darwin      
Theory of Relativity    Einstein      
Theory of the Atom    John Dalton      
Thermodynamics    Ludwig Boltzmann      
Thermometer    Galileo Gallei      
Thermos Flasks    Dewar      
Tractor    J. Froelich      
Transformer    Michael Faraday      
Transistor    Bardeen, Shockley, Brattain      
Typewriter    C. Sholes      
Uranium fusion    Oho Hahn      
Uranus (Planet)    Herschel William      
Vaccination    Edward Jenner      
Valve of radio    Sir J.A. Fleming      
Vitamins    Hopkins and Funk      
Vitamin A    Elmer V. McCollum and M. Davis      
Vitamin B    Elmer V. McCollum      
Vitamin B1    Casimir Funk      
Vitamin B2    D. T. Smith, E. G. Hendrick      
Vitamin Niacin    Conrad Elvehjem      
Vitamin Folic acid    Lucy Wills      
Vitamin B6    Paul Gyorgy      
Vitamin C    James Lind      
Vitamin D    Edward Mellanby      
Vitamin E    Herbert Evans and Katherine Bishop       
Vulcanised Rubber    Charles Goodyear      
Washing Soda    Lablanc      
Watch    A.L. Breguet      
Waterproof Rubber    Charles Macintosh      
Wave Mechanics    Erwin Schrodinger      
Wave Theory of Light    Christiaan Huygens      
Wave/Particle Duality    Louis Victor de Broglie      
Wireless Communication    Oliver Lodge      
Wireless Telegraphy    Marcony      
World Wide Web and Hypertext Markup Language    Tim Berners Lee      
X - Rays    Roentgen      
X-ray    Wilhelm Reontgen      
X-ray Crystallography    Max von Laue      
zerox machine    Chester Carlson      
Zip fastener    W. L. Judson      
Zipper    B. F. Goodrich   
Approximate Year of discovery    Vitamin / Chemical Name    Food source    Deficiency Disease      
1913    Vitamin A (Retinol, retinal)    Cod liver oil    Night blindness,
1910    Vitamin B1 (Thiamine)    Rice bran    Beriberi, Wernicke-Korsakoff syndrome       
1920    Vitamin B2 (Riboflavin)    Eggs    Ariboflavinosis       
1936    Vitamin B3 (Niacin, niacinamide)    Liver    Pellagra       
1931    Vitamin B5 (Pantothenic acid)    Liver    Paresthesia       
1934    Vitamin B6 (Pyridoxine, pyridoxamine, pyridoxal)    Rice bran    Anemia, peripheral neuropathy.       
1931    Vitamin B7 (Biotin)    Liver    Dermatitis, enteritis       
1941    Vitamin B9 (Folic acid, folinic acid)    Liver    Deficiency during pregnancy is associated with birth defects, such as neural tube defects       
1926    Vitamin B12 (Cyanocobalamin, hydroxycobalamin, methylcobalamin)    Liver    Megaloblastic anemia       
1920    Vitamin C (Ascorbic acid)    Lemons    Scurvy       
1920    Vitamin D (Ergocalciferol, cholecalciferol)    Cod liver oil    Rickets and Osteomalacia       
1922    Vitamin E (Tocopherols, tocotrienols)    Wheat germ oil,
Cosmetics and liver    Sterility, Deficiency is very rare; mild hemolytic anemiain newborn infants       
1929    Vitamin K (phylloquinone, menaquinones)    Alfalfa    Hemophilia, Bleeding diathesis    
1.    The part of flower which encloses the bud before it opens is called     Sepal      
2.    In a flower reproductive structure inside ovary is called    Ovule      
3.    Structure of flower where male reproduction occurs     Anther       
4.    A thin, stem-like stalk, part of flower that supports anther (male reproduction structure)     Filament       
5.    The female reproduction of flower consisting of ovary, stigma, and style is called     Pistil       
6.    In flower, male reproduction consisting of filament and anther is     Stamen       
7.    The legs of Bees covered with feather-like hairs is called    Setae      
8.    These tissues secrete sugar-rich nectar.    Nectaries      
9.    A green leaf-like structures at the base of the petals protecting the developing flower is called    Sepals      
10.    The relationship between bees and sexual plants is called ______.    Symbiosis       
11.    Death of roots due to lack of water is called    Root Burn      
12.    Death of roots due to lack of oxygen is called    Root Suffocation      
13.    Two examples of taproots are:     Carrots, Dandelions      
14.    _____ are examples of plants with a fibrous root system.    Grasses      
15.    Which part of the plant separates vascular bundle from cortex     Endodermis      
16.    In plant transports water through the root     Phloem      
17.    Storage of sugars and starches in plant is    Cortex      
18.    Absorbs water and nutrients into the root    Epidermis      
19.    Corn root is an example of _____ root. (DICOTS / MONOCOTS)    Monocots      
20.    Sunflower root is an example of _____ root. (DICOTS / MONOCOTS)    Dicots      
1.    Who proposed the mutation theory of evolution    Hugo de Vries      
2.    Who proposed nebular hypothesis?    Kant in 1753 A.D.      
3.    Who opposed the spontaneous generation theory?    Louis Pasteur      
4.    Who is called Father of Immunology    Edward Jenner      
5.    Who is called father of Epidemiology?    John Snow      
6.    Which period was dominated by dinosaurs?    Jurassic period of Mesozoic era      
7.    Which one is a inoculative infection? (Polio / Plague)    Plague      
8.    Which one is a congenital disease? (Alcaptonuria / Allergy)    Alcaptonuria      
9.    Which of the following gases was absent from the atmosphere of primitive earth?    O2      
10.    What mammal lays eggs?    platypus and the echidna       
11.    What is incubation period?    Period between infection and first clinical symptoms of a disease      
12.    Vermiform appendix is vestigial in man due to    Cooking habit      
13.    Vaccine having no toxicity but with antigenic property is called    Toxoid      
14.    The weight of brain of man is _____ gms    1200 – 1400 gms      
15.    The waste product that is produced during cellular respiration is called     Carbon dioxide       
16.    The scientific name of the Honeybee is     Apis mellifera       
17.    The process by which cells release energy in food to carry on life's processes?    Photosynthesis      
18.    The main sources of biofertilizers are ______    Bacteria, Cyanobacteria, fungi      
19.    The main artery that carries oxygenated blood immediately away from left ventricle of the heart is called ______.    Aorta      
20.    The free living soil bacteria which fixes nitrogen is called    Azotobacter      
1.    The branch dealing with the study of fossils is    Palaeontology      
2.    The book “Origin of Species” was written by    Darwin      
3.    The atmosphere rich in hydrogen is a _____ atmosphere    Reducing      
4.    Stanley Miller Synthesized (Amino Acids / Carbohydrates)    Amino Acids      
5.    Psammophytes Plants grow best in ______.    Sand      
6.    Potato is a modified form of    Stem      
7.    'Poppy' a flower belongs to which plant family?     Papaveraceae       
8.    Plants wilt due to excess of    Transpiration      
9.    Plants that are developed in dry conditions are called    xerophytes      
10.    Plants synthesis protein from     Amino acids       
11.    Photosynthesis takes place faster in    White light      
12.    Pathogen is ______.    Diseae causing organism      
13.    Nodulated roots are found in (Apple / Pulses)    Pulses      
14.    Name the plant organ in which photosynthesis usually takes place.    Leaf      
15.    Name the galaxy to which our earth belongs.    Milky way      
16.    Most part of water needed by plants is absorbed through their    Root hairs      
17.    Most animal eukaryotic cells have:    A plasma membrane, nucleus, and cytoplasm      
18.    Measles vaccine was first discovered by    John F. Enders      
19.    Linseed oil comes from which plant?    Flax      
20.    Life originated in (Air/Water)    Water      
1.    Life has originated due to (Chemical evolution / Effects of sunshine)    Chemical evolution      
2.    Java ape man was discovered by    Dubois      
3.    Inoculation preventing method is called _____    Vaccination      
4.    Fever causing substance is called    Pyrogen      
5.    Distribution of living organisms on earth is    Biogeography      
6.    Digests waste products and worn-out cell parts are called ______.    Lysosomes      
7.    Cosmozoic theory was proposed by    Arrhenius      
8.    Chloroplasts contain a green pigment called ______.    Chlorophyll      
9.    Cells that DO NOT have a nucleus are called    Prokaryote Cells      
10.    Cells having a nucleus is called    Eukaryote Cells      
11.    Blood pressure to skeletal muscle is increased by    Norepinephrine      
12.    Biogenetic law was proposed by    Haeckel      
13.    Biogenesis was first proposed by _____.    Francesco Redi      
14.    B-cells are stimulated to produce antibodies by    Helper T-cells      
15.    Approximate age of the earth is _____.    4.5 x 109 years      
16.    A tissue Phloem is found in    Plants      
17.    A plant that grows in saline water is called ______.    Halophytes      
18.    A group of similar cells that work together is called ______.    Tissue      
19.    a folded membrane that moves materials around in the cell is called    Endoplasmic Reticulum       
20.    ______ releases energy for the cell.    Cell Membrane      
1.    Genetics is science of     Heredity and variations      
2.    Sericulture deals with     Rearing of silk worms      
3.    Depleting source of energy is     fossil fuels      
4.    Non renewable source of energy is     coal resources      
5.    Who postulated the cell theory?    Schleiden and Schwann      
6.    Study of the behaviour of animals is called     Fossils      
7.    Who studied structure of human body for the first time?    Andreas Vesalius      
8.    Recapitulation Theory was proposed by:    Haeckel      
9.    The term ‘Protoplasm’ was coined by:     H. V. Mohl      
10.    The term antibiotic was coined by    Selman Waksman      
11.    Bacteria was first observed by    Antony van Leeuwenhock      
12.    In human body the longest muscle which goes from back to the knee is    Sartorius      
13.    Vaccination against small pox was developed by    Edward Jenner      
14.    The name of Dr. Normal Borlaug is associated with    Green revolution      
15.    Maximum alcohol is obtained from     sugarcane      
16.    Gasohol mixture is useful as     automobile fuel      
17.    The liquid hydrocarbon is     latex      
18.    The hybridoma technique was developed by     Georges Kohler and Cesar Milstein      
19.    Vitamin B1 was first isolated by     Funk      
20.    What is the chemical name of Vitamin C?    Ascorbic acid       
21.    What are the food sources of Vitamin E?    Wheat germ oil, unrefined vegetable oils       
22.    EEG is an index of     Brain functions      
23.    The disease of liver caused by excessive use of alcohol is     Cirrhosis      
24.    Amphetamine is a     Synthetic stimulant      
25.    Universal Immunization Programme was started in    1985      
26.    Opium is derived from which part of white poppy plant?    Fruit      
27.    The highly poisonous chemical derived from tobacco is     Nicotine      
28.    The chemical which relieves from pain is called     Analgesic      
29.    Marijuana is derived from     Cannabis sativa      
30.    The full form of LSD is     Lysergic Acid Diethylamide      
31.    LSD is derived from     Argot fungus      
32.    Valium is a     Tranquilliser      
33.    Psychosis is     Mental illness      
34.    BCG is used against    Tuberculosis      
35.    Rh-factor was first discovered in    Monkey      
36.    Myocardial infarction is a disease of    Heart      
37.    Who received Nobel Prize for peace for his work on wheat and rice?    Norman Bourlog      
38.    Who is the author of ‘Historia Plantarum”    Theophrastus      
39.    A dicot plant without cotyledons is called     Dodder Plant (Cuscuta)      
40.    The branch of biology which deals with identification of disease and its pathogen is     Pathology      
41.    Absence of one sex chromosome causes    Turner's syndrome      
42.    In jaundice the amount of _____ increases in blood.    Bilirubin      
43.    An increased amount of blood glucose is called     Hyperglycemia      
44.    Muscarine / Muscarin a natural product is found in     Mushrooms (Inocybe and Clitocybe species)      
45.    Muscarinic agonists are used as drugs in treating     Glaucoma, Urinary Retention, and Xerostomia.      
46.    Insulin from a dog’s pancreas was first isolated by     Banting and Best      
47.    The two chains of human insulin molecule are interconnected by    Disulphide bond      
48.    The first genetically engineered human insulin was produced in    1983      
49.    The technique used for virus detection both in plants and animals is     ELISA – Enzyme linked immunoabsorbent assay      
50.    The term ‘enzyme’ meaning, in yeast was advocated by     William Kuhne      
1    Down’s syndrome is also called    21-Trisomy      
2.    Gout is a ______ disease    Degenerative      
3.    Polio is also called    Infantile paralysis      
4.    The two types of growth curves are     Sigmoid and J-shaped      
5.    The Biogenetic Law was proposed by     Haeckel      
6.    The term species was coined by    John Ray      
7.    The “power house” of a cell is    Mitochondrion      
8.    The young one of cockroach is called    Nymph      
9.    ATP was discovered by    Karl Lohman      
10.    DNA finger printing technique was first developed by    Jeffreys, Wilson and Thien      
11.    The Law of Limiting Factors was proposed by    F.F. Blackman      
12.    The first antibiotic was discovered by    A. Fleming      
13.    Balance Theory of sex determination was proposed by    Calvin B. Bridges      
14.    The Primary visual area is located in    Occipital lobe      
15.    The scientific name of zebu is    Bos indicus      
16.    Motor cells are found in    Upper epidermis of monocot leaf      
17.    Volkman’s canals occur in    Bone      
18.    The lacteals are found in    Villi      
19.    Choroid plexus is a network of    Capillaries      
20.    The term ecology was coined by    Reiter      
21.    Diastase was identified for the first time in 193 by     Peyen and Persoz      
22.    Enzyme used to flavour soft drinks is     Glucoamylases and Glucoisomerases      
23.    The first vitamin produced during a fermentation process using a wild bacterium is ______.    Vitamin C      
24.    Deficiency diseases like Rickets and Osteomalacia are due to the lack of which vitamin?     Vitamin D      
25.    The syndrome of symptoms caused by over-retention of vitamins in human body is known as    Hypervitaminosis       
26.    The function of artificial kidney sis based on     Physical laws of diffusion and osmosis      
27.    Thickening of the walls of arteries is known as    Atherosclerosis      
28.    The first human hormone produced by recombinant DNA technology was (Insulin/Estrogen)    Insulin      
29.    Mood altering drugs are called    Psychedelic drugs      
30.    _______ are used as pain killers    Opiates      
31.    Cirrhosis is caused due to excessive use of     Alcohol      
32.    The carcinogen (cancer causing agent) present in tobacco is     Benzpyrene      
33.    Fatty acid syndrome due to alcoholism is called     Cirrhosis      
34.    Cancers located in connective tissues are called    Sarcoma      
35.    Rheumatic heart disease (RHD) is associated with    Bacterial infection      
36.    The technique used to know the genetic disorders in the foetus is called    Amniocentesis      
37.    Name the substances present in the birth control pills.    Progestins      
38.    The techniques used for male sterilization is called     Castration      
39.    The surgical cutting of fallopian tubes of female is called     Tubectomy      
40.    Vasectomy is the surgical cutting of     Vasa deferentia      
41.    Viability period of human ovum is ______.    Two days      
42.    Individuals with no melanin in their skin, hair and iris are called     Albions      
43.    An extra X-chromosome in male causes _______ syndrome.    Klinefelter’s       
44.    Spreading of cancerous tumours to different organs is called     Metastasis      
45.    Cancer causing agents are     Carcinogens      
46.    The vaccine that is used against tuberculosis is     BCG      
47.    Elephantiasis is caused by     Wuchereria bancrofti      
48.    A toxin released by Tuberculosis bacteria is called     Tuberculin      
49.    Where does ependymal cells occur?    Lining the cavities of brain and spinal cord      
50.    Which tissue contains Haversian canals?    bone of mammals      
1.    Which layer of the skin prevents water exchange?    Horny layer (stratum corneum) of epidermis      
2.    Which Epithelium lines the urinary bladder in the ureters?    Transitional epithelium/ urothelium      
3.    Which are the smallest blood corpuscles?    RHCs      
4.    In ABO blood groups, how many phenotypes are found?    Four      
5.    Old RBCs are destroyed and buried in    Spleen      
6.    Without which corpuscles blood clotting is not possible.    Thrombocytes      
7.    Insufficient quantities of antidiuretic hormone in blood lead to    Diabetes insipidus      
8.    Blood cells involved in inflammatory reactions are    Basophils      
9.    Cells lining the blood capillaries are called     Endothelial cells      
10.    During contraction what prevents backflow of blood inside the heart?    Valves in heart      
11.    Graveyard in RBCs is    Spleen      
12.    The pigment found in red muscle fibres is     Myoglobin      
13.    Ends of two bones are connected by     Ligaments      
14.    Haversian canals are found in    Long bone of rat      
15.    Formation of muscle cells during embryonic development is called    Myogenesis      
16.    In a flowering plant, the pollen tube first arrives in    A synergid      
17.    Littoral zone is located along the     Sea      
18.    Spirochetes are    Bacteria      
19.    Elaioplasts store    Fats      
20.    Thymosin hormone is secreted by    Thymus gland      
21.    Vomiting centre is located in the    Medulla oblongata      
22.    'Balancing selection' in humans promotes    Heterozygotes      
23.    Maltose gives rise to 2 molecules of    Glucose      
24.    Chimera is produced due to    Somatic mutations      
25.    Corpus luteum releases    Estrogen and progesterone      
26.    The number of autosomes in human primary spermatocyte is    44      
27.    Rotenone is a    Bioinsecticide      
28.    Respiratory Quotient (R.Q.) is represented by     CO2/O2      
29.    Gynaecomastia is the symptom of    Klinefelter’s syndrome      
30.    The yellow-coloured milk secreted by cattle soon after the birth of a calf is called    Colostrum      
31.    Which part of alimentary canal receives bile from the liver?    Small intestine      
32.    In which part of the alimentary canal food is finally digested?    Small intestine      
33.    Where does the exchange of gases take place during respiration?    alveoli of lungs      
34.    What are the filtration units of kidneys called?    nephrons      
35.    During photosynthesis oxygen is liberated. It comes from ______.    water      
36.    Bowman's glands are found in    Olfactory epithelium      
37.    Protein part of a Holoenzyme is called    Apoenzyme      
38.    The opening and closing of the stomatal pore depends upon    water in guard cells      
39.    most plants absorb nitrogen in which forms    Nitrates, Nitrites and urea      
40.    The first enzyme to mix with food in the digestive tract is    Amylase      
41.    Name some organisms in which food material is broken down outside the body and absorbed?    Yeast, mushroom, bread mould      
42.    Testosterone increases the fertility in males.    True      
43.    The junction between two neurons is called    synapse      
44.    State True or False.
Posture and balance of the body is controlled by medulla.    False, Correct answer is: cerebellum      
45.    State True or False.
Spinal cord originates from cerebellum    False, Correct answer is: medulla      
46.    State True or False.
Abscisic acid in plants promotes growth of stem.    False, Correct answer is: inhibit growth      
47.    State True or False.
Iodine is necessary for the synthesis of adrenaline.    False, Correct answer is: Thyroxin      
48.    State True or False.
Insulin regulates growth and development of the body    True      
49.    State True or False.
Thyroxin regulates carbohydrates, protein and fat metabolism in the body    True      
50.    State True or False.
When blood leaves the tissues it becomes richer in water.    False, Correct answer is: carbon dioxide      
1.    A compound which contains only hydrogen and Carbon is called a    Hydrocarbon      
2.    A deviation of light passing from one medium to another is known as    Refraction      
3.    A fungus which can only survive on other living organisms is called    Obligate Parasite      
4.    A machine used for converting mechanical energy into electrical energy is called a    Generator
5.    A plant adapted for growth in water is called a    Hydrophyte      
6.    A plant adapted to live in dry places is called a    Xerophyte      
7.    A plant which lives in the dark is called    Scotophyte      
8.    A tangent galvanometer is used to study the    Strength of direct current      
9.    A thermocouple is used to measure    Temperature      
10.    Al stands for    Aluminium      
11.    An altimeter is used for measuring    Altitude
the height above sea level      
12.    An ammeter is used to measure    Electric current      
13.    An apparatus for generation of atomic energy is called a    Reactor      
14.    An Electroscope is used to    Detect charges on a body      
15.    Where does groundwater flow when it comes out of the ground?    Lakes, rivers, and streams      
16.    Atomic Energy Commission is located at    Mumbai      
17.    Auriscope is used to detect    Ear disorders      
18.    Bhaskara I was a famous    Astronomer      
19.    Bi stands for    Bismuth      
20.    Biomass energy is formed through    Photosynthesis      
1.    Botany is the study of    Plant life      
2.    Calcium oxide is commonly known as    Quick lime      
3.    Calcium sulphate is commonly called    Plaster of Paris      
4.    Calorimeter is used to measure    Quantity of heat      
5.    Central Tobacco Research Institute is located at    Rajahmundry      
6.    Cloves, used as a spice, are derived from which of the plant parts     Flower buds      
7.    Crescograph is used to measure the    Rate of growth of a plant      
8.    Which chemical element has the symbol Au?    Gold      
9.    Dactylography is the study of    Finger Prints      
10.    Dynamics is the study of    Movements of bodies      
11.    Entomology is the study of    Insects      
12.    From which areas of space can there be no escape?    black holes[1]      
13.    Fruits that are formed without fertilization are called    Parthenocarpic      
14.    Galileo's first scientific discovery was    Pendulum      
15.    Gd stands for    Gadolinium      
16.    Ground water runs in underground rivers. Trye/False    False      
17.    Herpetology is the study of    Reptiles      
18.    How many moons does Mars have?    Two      
19.    How many time zones are there on Earth?    Four      
20.    How many units of alcohol in a glass of wine?    One      
1.    How much urine does the average person produce in a typical day?    1.5 - 2 litres      
2.    How much of the world's water is suitable for human use?     0.25 per cent       
3.    Ichtyology is the study of    Fishes      
4.    Indian Institute of Horticultural Research is located at    Bangalore      
5.    Which chemical weapon used in Vietnam was first discovered in animal urine?    Phosphorous      
6.    Which country was the first to make fireworks?    China      
7.    Which group of animals don't urinate?    Fish      
8.    Which plant makes Aspirin?    White Willow      
9.    Which sea is the saltiest natural lake and is also at the lowest elevation on the face of the earth?    The Dead Sea      
10.    Logarithms were devised by    John Napier      
11.    Manganese was discovered by    Gahn      
12.    Mechanics is the study of    Forces acting on bodies      
13.    Michael Faraday worked as an assistant under another scientist whose name was    Sir Humphry Davy      
14.    Name the famous mathematician/physicist who was born in the year Galileo died.    Newton      
15.    Name the process of large energy production in the Sun?    Nuclear fusion       
16.    Name the three common gases found in farts    CH4 (methane); H2S (hydrogen sulphide); NH3 (ammonia)      
17.    Name two poor conductors of heat.    Lead and Mercury      
18.    Name two tissues that provide control and coordination in multicellular animals     Nervous and muscular tissues.       
19.    National Science Centre is located at    New Delhi      
20.    Nickel was discovered by    Cronstledt      
1.    Oology is the study of    Birds eggs      
2.    Ornithology is the study of    Birds      
3.    Osteology is the study of    Bones      
4.    Paleontology is the study of    Fossils      
5.    Penicillin is obtained from    Mould      
6.    Phycology is the study of    Algae      
7.    Plant that eat insects are called    Insectivorous plants      
8.    Plants get their nitrogen from:    Soil      
9.    Plants that flower only once in their lifetime are called    Mono carpic      
10.    Psychology is the study of    Human mind      
11.    Sodium carbonate is commonly called    Washing Soda      
12.    Sodium chloride is commonly known as    Common Salt      
13.    Space Applications Centre is located at    Ahmedabad      
14.    Spectroscopy is the study of    Anders John Angstrom      
15.    Statics is the study of    Forces acting on bodies at rest      
16.    Tata Institute of Fundamental Research was established in    1945      
17.    The ______stage of the butterfly is the last stage when the butterfly has wings and can fly.     adult      
18.    The acid used in a car battery is    Sulphuric acid      
19.    The Atomic Energy Commission was set up in    August 1948      
20.    The atomic number of oxygen is    Eight      
1.    What is the most common chemical element in the universe?    Hydrogen
Hydrogen is a colourless gas that is the lightest of all the elements. It combines with OXYGEN to form water.      
2.    What is the name for steel alloyed with chromium?    Stainless steel      
3.    What is the name of the first atomic-powered submarine?    Nautilus      
4.    What is the name of the hormone that controls blood sugar level?    Insulin
a chemical substance produced in the body that controls the amount of sugar absorbed by the blood      
5.    What is the name of the hot rock that is in the center of the earth?    Magma
very hot liquid rock found below the earth’s surface      
6.    What is the name of the whale that has a long protruding tusk?    Narwhal      
7.    What is the name we give to the black salted fish eggs of a sturgeon fish?    Caviar
the eggs of some types of fish, especially the STURGEON, that are preserved using salt and eaten as a very special and expensive type of food      
8.    What is the PH of water?    Seven      
9.    What is the rest mass of a photon?    Zero      
10.    What is tonic water flavoured with?    Quinine      
11.    What land mammal holds the record for the greatest age?    Man      
12.    What name is given to the hard white material of elephant’s tusks?    Ivory
A hard yellowish-white substance like bone that forms the TUSKS (long teeth) of elephants and some other animals      
13.    What poisonous alkaloid is extracted from tobacco leaves and widely used as an insecticide (a chemical used for killing insects)?    Nicotine      
14.    What state in the United States has the most nuclear power plants?    Illinois      
15.    What vegetable gives green pasta its color?    Spinach      
16.    What yellow metal is an alloy of copper and zinc?    Brass      
17.    Where do peanuts grow?    Underground      
18.    Where does the alcohol in wine come from?    Yeast
a FUNGUS used in making beer and wine, or to make bread rise      
19.    Where is alcohol destroyed in the body?    The liver      
20.    Where does groundwater come from?    Rainfall and melting snow      
.    Which human activity uses the most water?     Irrigation
70 per cent of all water is used for irrigation.       
2.    Water on the earth exists in all three states of matter______.    solid, liquid, and gas       
3.    What are the only places that dogs have sweat glands?    Nose and paws      
4.    What are the two main components of our environment?     Biotic and abiotic factors       
5.    What do we call a person who cannot tell the difference between colors?    Color blind      
6.    What gas are the bubbles in Champagne?    CO2      
7.    What grain is beer usually made from?    Barley
a plant grown for its grain that is used for making food, beer and WHISKY      
8.    What household heating fuel also powers jet planes?    Kerosene      
9.    What is another name for the Paleolithic Age?    The stone age      
10.    What is cork made from?    The bark of a cork oak tree      
11.    What is E300?    Vitamin C      
12.    What is red wine supposed to protect you from?    Heart disease      
13.    What is the better known name for the deadly poison prussic acid?    Cyanide or hydrogen cyanide      
14.    What is the chemical name for vinegar?    Acetic acid      
15.    What is the common name for NaCl?    Salt      
16.    What is the difference between sweet and dry wines?    Sugar content      
17.    What is the essential ingredient of Mead?    Honey      
18.    What is the fastest living thing on two legs?    An ostrich      
19.    What is the favorite food of a giant panda?    Bamboo shoots      
20.    What is the main ingredient of Alka Seltzer?    Sodium Bicarbonate      
1.    The symbol He stands for    Helium      
2.    The symbol Md stands for    Mendelevium      
3.    The symbol of gold is    Au      
4.    The symbol of silicon is    Si      
5.    The symbol of silver is    Ag      
6.    The symbol of sodium is    Na      
7.    The symbol of Sr stands for    Strontium      
8.    The symbol of titanium is    Ti      
9.    The symbol Rb stands for    Rubidium      
10.    The symbol Zn stands for    Zinc      
11.    The symbol Zr stands for    Zirconium      
12.    The three states of matter are    Solid,liquid and gas      
13.    The two colours seen at the extreme ends of the pH chart are     Red & Blue       
14.    The unit of loudness is    Phon      
15.    The unit of power is    Watt      
16.    Thermostat is an instrument used for regulating    Constant temperature      
17.    Toxicology is the study of    Poisons      
18.    Unlike most other fish, sharks have no:    Bones      
19.    Virology is the study of    Viruses      
20.    Why food articles are mostly packed in alluminium foil?    To avoid rancidity      
1.    The basic building blocks of proteins are    Amino acids      
2.    The biggest plant seed is    Cocodemer      
3.    The botanical name for brinjal is    Solanum melongenal      
4.    The botanical name for onion is    Allium Cepa      
5.    The botanical name for rice is    Oryza Sativa      
6.    The botanical name of tea is    Camellia Sinensis      
7.    The botanical name of the cotton plant is    Gossipium Hirsutum      
8.    The chemical formula of chloroform is    CHcl3      
9.    The chemical formula of common salt is    Nacl      
10.    The chemical formula of lime soda is    CaCO3      
11.    The chemical formula of sodium bicarbonate is    NaHCO3      
12.    The chemical formula of washing soda is    Na2CO3, IOH2O      
13.    The chemical name of baking powder is    Sodium bicarbonate      
14.    The chemical name of bleaching powder is    Calcium hypochlorite      
15.    The chemical name of Chloroform is    Trichloromethane      
16.    The formula C6H5OH stands for    Phenol      
17.    The formula CHCI3 stands for    Trichloromethane      
18.    The formula H2O2 stands for    Hydrogen peroxide      
19.    The formula H2SO4 stands for    Sulphuric Acid      
20.    The formula HCL stands for    Hydrochloric Acid      
1.    The liquid used to preserve specimens of plans and animals is    Formalin      
2.    The metal used in storage batteries is    Lead      
3.    The molecular formula of cane sugar is    C12H22O11      
4.    The most serious environmental pollution from a nuclear reactor is:    Thermal pollution      
5.    The principal metal used in manufacturing steel is    Iron      
6.    The response of a plant to heat is called    Thermotropism      
7.    The response of a plant to touch is called    Trigmotropism      
8.    The role of heredity was demonstrated by    Mendel      
9.    The science of organic forms and structures is known as    Morphology      
10.    The scientific name for blood platelets is    Thrombocytes      
11.    The scientist who developed the Quantum theory was    Max Plonck      
12.    The smallest flowering plant is    Worffia      
13.    The study of antiquities is known as    Archaeology      
14.    The study of bacteria is known as    Bacteriology      
15.    The study of grasses is known as    Agrostology      
16.    The study of heavenly bodies is called    Astronomy      
17.    The study of poisons is called:    Toxicology      
18.    The study of sound is called    Acoustics      
19.    The study of the duration of life is known as    Chronobiology      
20.    The study of tissues is called    Histology