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1. Which of the following metals forms an amalgum with other metals ?

(A) Lead (B) Tin (C) Zinc (D) Mercury

2. Which of the following is not an ore of Aluminium?

(A) Felsper (B) Bauxite (C) Cryolite (D) Azurite

3. Most soluble in water is–

(A) Camphor (B) Sugar (C) Sulphur (D) Common Salt

4. Which of the following is used as lubricant ?

(A) Graphite (B) Silica (C) Diamond (D) Iron Oxide

5. The purest form of iron is–

(A) Steel (B) Pig iron (C) Cast iron (D) Wrought iron

6. The percentage of carbon is the least in–

(A) Grey cast iron (B) Wrought iron(C) White cast iron (D) Steel

7. An element that does not occur in nature but can be produced artificially

is —

(A) Thorium (B) Radium (C) Plutonium (D) Uranium

8. The inert gas which is substituted for nitrogen in the air, used by deep

sea drivers for breathing is–

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(A) Helium (B) Argon (C) Krypton (D) Xenon

9. The group of metals Fe, Co, Ni may be best called as–

(A) Alkali metals (B) Rare metals (C) Main group metals (D) Transition

metals

10. Who suggested that the most of the mass of atom is located in nucleus ?

(A) Bohr (B) Thomson (C) Rutherford (D) Avogadro

11. Meson particles are found in–

(A) R-rays (B) X-rays (C) Laser beam (D) Cosmic rays

12. An atom of an element with mass number 23 and atomic number 11

will have–

(A) 11 neutrons, 12 protons and 11 electrons (B) 11 protons, 12 neutrons

and 11 electrons (C) 11 protons, 12 electrons and 11 neutrons (D) 23

protons and 11 electrons)

13. Which of the following is a protein?

(A) Wool (B) Starch (C) Natural rubber (D) Cellulose

14. Soap is a mixture of sodium or potassium salts of—

(A) Monocarboxylic acid (B) Glycerols (C) Dicarboxylic acid (D)

Tricarboxylic acid

15. Which of the following material is used to prepare blue-black ink ?

(A) Gallic acid (B) Tannic acid (C) Ferrous sulphate (D) All of these

16. Water gas is prepared by passing–

(A) Steam over white hot coke (B) Air over red hot coke (C) Methane over

red hot coke (D) Steam over heated sulphur

17. Which of the following metals react with nitrogen to form nitride ?

(A) Sodium (B) Potassium (C) Magnesium (D) None of these

18. One micron is equal to–

(A) 1/10th of mm (B) 1/100th of mm (C) 1/1000th of mm (D) 1/10000th of



mm

19. Equal volumes of different gases at any definite temperature and

pressure have–

(A) Equal weights (B) equal masses (C) equal density (D) equal no. of

molecules

20. Milk is an example of–

(A) suspension (B) true solution (C) emulsion (D) gel

21. Which of the following modes of expressing concentration is

independent of temperature–

(A) Molarity (B) Molality (C) Normality (D) Formality

22. Which of the following substances undergoes chemical change on

heating ?

(A) Sodium chloride (B) Silica (C) Lead nitrate (D) Platinum wire

23. Vulcanisation is a–

(A) Science of studying volcanoes (B) method of degrade polymers (C)

Process connected with the making of voltaic cells (D) Process of hardening

of rubber by heating it with sulphur.

24. Water gas is prepared by passing–

(A) steam over white-hot coke (B) air over red-hot coke (C) methane over

red-hot coke (D) steam over heated sulphur

25. The hormone which stimulates milk production in mammal is known

as–

(A) Glucagon (B) prolactin (C) progesterone (D) oestrogen

26. The lethal dose required to kill 50% of the lab animals tested under the

standard is reffered as

(A) MLD (B) ID50 (C) LD50 (D) ID

27. Which of the following is present in maximum amount in acid rain?

(A) HNO3 (B) H2SO4 (C) H2CO3 (D) HCL



28. The principle involved in the absorption of water by soil is

(A) Suction action (B) Condensation (C) Capillary action (D) Principal of

absorption.

29. Viruses that infect bacteria called

(A) Basal body (B) Basidiospores (C) Bacteriophages (D) Basophils

30. A dispersion indicates

(A) The value of standard deviation (B) Spread of data around central

measure (C) The value of mean (D) The value of mode

31. The element common to all acids is–

(A) Oxygen (B) Hydrogen (C) Nitrogen (D) Sulphur

32. Gobar gas contains mainly–

(A) Methane (B) Carbon dioxide(C) Butane (D) Carbon Monoxide

33. The most malleable metal is–

(A) Silver (B) Gold (C) Aluminium (D) Sodium

34. Which of the following is used in making smoke bombs ?

(A) Sulphur (B) Phosphorus (C) Hydrogen (D) Carbon

35. Caustic Soda is–

(A) Nacl (B) Na2CO3 (C) NaOH (D) NaHCO3

36. Chemical formula of Water glass is–

(A) Na2SiO3 (B) Al2O3 (C) NaAlO2 (D) CaSiO3

37. The hardest substance available in earth is–

(A) Platinum (B) Silicon (C) Diamond (D) Gold

38. Which of the following is the best conductor of electricity ?

(A) Zinc (B) Copper (C) Gold (D) Silver

39. The ratio of pure gold in 18 carat gold is–

(A) 60% (B) 75% C) 80% (D) 100%



40. Which radioactive pollutant has recently drawn the attention of the

public due to its occurrence in the building materials ?

(A) Radium (B) Radon (C) Thorium (D) Plutonium

41. In an atomic explosion enormous energy is released which is due to the–

(A) Conversions of neutrons into protons (B) Conversion of chemical energy

into nuclear energy (C) Conversion of mechanical energy into nuclear energy

(D) Conversion of mass into energy

42. Which of the following is used as a coolant in nuclear reactors ?

(A) Heavy water (B) Cadmium (C) Liquid sodium (D) Graphite

43. In vulcanization, natural rubber is heated with–

(A) Carbon (B) Sulphur (C) Silicon (D) Phosphorus.

44. Which type of fire extinguisher is used for petroleum fire ?

(A) Foam type (B) Soda acid type (C) Powder type (D) None of these

45. Which is/ are the important raw materials in cement industry ?

(A) Limestone (B) Gypsum and Clay (C) Clay (D) Limestone and Clay

46. A mixture of iron filings and sand can be separated by–

(A) Heating (B) Sublimation (C) Hand picking (D) Magnetic Separation

47. In which of the following process, Vanadium Pentoxide is used as a

catalyst ?

(A) Contact process (B) Haber process C) Solvary process (D) None of these

48. The rate of chemical reaction does not depend on–

(A) Concentration (B) Catalyst (C) Temperature (D) Pressure

49. The vitamin which can be synthesized in the gut by bacterial action is–

(A) vitamin B1 (B) vitmain B2 (C) vitmain B12 (D) All above



50. Deficiency of vitamin D causes–

(A) rickets (B) beri-beri (C) scurvy (D) night blindness

51. Which one of the following is the best source of vitamin A?

(A) Apple (B) Carrot (C) Amla (D) Raddish

52. Which of the following is not a chemical reaction ?

(A) Burning of paper (B) Digestion of food (C) Conversion of water into

steam (D) Burning of coal

53. Which of the following is a chemical change ?

(A) Rusting of iron (B) Tempering of iron(C) Melting of iron (D) Bending of

iron (Ans : A)

54. Photoelectric effect was discovered by–

(A) Einstein (B) Hertz (C) Bohr (D) Plank

55. The hydrogenation of the vegetables oils takes place in the presence of

finely divided–

(A) aluminium (B) charcoal (C) silica (D) nickel

56) Starch is insoluble in water but still it is stored in large quantity in

potato because

(A) soil microorganisms deposit it in the tuber (B) it is synthesized in

potato root (C) It is useful for human (D) It is translocated in the form of

sugar from leaves.

57) Which of the following determiners whether a group of organisms that is

from the same genus and species arise from a common source or from

different sources?

(A) Biotyping (B) DNA hybridization/ DNA (C) Serotyping (D) Fage typing

58) Antigen presenting cells are specialized cell present in all of the

following except

(A) Skin (B) Lymph Node (C) Kidney (D) Spleen

59) The fleshy thalamus is edible in



(A) Mango (B) Orange (C) Tomato (D) Apple

60) Chemical name of Gammaxane is

(A) Aniline (B) Toluene (C) Benzene hexachloride (D) Chloro Benzene

61. Which of the following is the best conductor of Electricity ?

(A) Ordinary water (B) Sea water (C) Boiled water (D) Distilled water

62. Balloons are filled with–

(A) Helium (B) Oxygen (C) Nitrogen (D) Argon

63. The charcoal used to decolourise raw sugar is–

(A) Animal charcoal (B) Sugar charcoal (C) Cocoanut charcoal (D) Wood

charcoal

64. Washing soda is the common name of–

(A) Calcium Carbonate (B) Calcium Bi-Carbonate (C) Sodium Carbonate (D)

Sodium Bi-Carbonate

65. The filament of electric bulb is made of–

(A) Iron (B) Nichrome (C) Tungsten (D) Graphite

66. Bleaching powder is made from–

(A) Sulphur dioxide and gypsum (B) Chlorine and Charcoal C) Soda ash

and lime (D) Lime and Chlorine

67. Brass is an alloy of–

(A) Nickel and Copper (B) Copper and Silver (C) Nickel and Zinc (D) Zinc

and Copper

68. The element required for Solar energy conversion–

(A) Beryllium (B) Silicon (C) Tantalum (D) Ultra pure carbon

69. Monazite is an ore of–

(A) Sodium (B) Titanium (C) Thorium (D) Zirconium)

70. The gas usually causing explosions in coal mines is–

(A) Hydrogen (B) Carbon monoxide (C) Air (D) Methane



71. Cotton fibers are made of–

(A) cellulose (B) starch (C) proteins (D) fats

72. Which of the following ores does not contain iron?

(A) Haematite (B) Magnetite (C) Limonite (D) Cassiterite

73. Which variety of glass is heat resistant ?

(A) Hard glass (B) Flint glass (C) Pyrex glass (D) Bottle glass

74. Which of the following is used for removing air bubbles from glassduring

its manufacture ?

(A) Fledspar (B) Arsenic oxide (C) Potassium Carbonate (D) Soda Ash

75. What are soaps ?

(A) Salts of silicates (B) Ester of heavy fatty acids (C) Sodium or potassium

salts of heavier fatty acids (D) Mixture of glycerol and alcohol

76. In which following processes light energy is converted into chemical

energy ?

(A) Respiration (B) Fermentation (C) Photosynthesis (D) Photorespiration

77. Cooking oil can be converted into vegetables ghee by the process of–

(A) Oxidation (B) Hydrogenation (C) Distillation (D) Crystallisation

78. Photosynthesis is–

(A) An exothermic process (B) An endothermic process(C) A neutral

process (D) A thermostatic process (Ans : B)

79. J. B. Sumner isolated first enzyme from Jackbeans as–

(A) amylase (B) Trypsin (C) urease (D) renin d

80. Enzymes are absent in–

(A) fungi (B) bacteria (C) viruses (D) algae

81. The enzymes sucrase acts on–

(A) sucrose only (B) sucrose and starch (C) all disaccharides (D) any



organic monomer

82. C.T. Scanning uses–

(A) Ultrasound waves (B) Gamma rays (C) X-rays (D) None of the above (

83. Chemically ‘speropolenin’ is a / an–

(A) co-polymer of carotinoid and fatty acid (B) Carbohydrate (C) Propene

(D) Lactic acid

84. A mixture of salt and sand can be separated by–

(A) Sublimation (B) Dissolving water (C) Gravity separation (D) Dry

distillation

85. PVC is obtained by the polymerisation of–

(A) propane (B) vinyl chloride (C) styrene (D) Acetylene

86) A clone is a group of individual obtained through

(A) Self- pollination (B) Micropropogation (C) Hybridisation (D) Cross

pollination

87) Red rot sugarcane is caused by

(A) Colletotriehum falcatum (B) Cercospora personata (C) Alernaria

alternata (D) Phylophthora Infestans

88. The first law of thermodynamics is simply the cause of

(A) Charle’s law (B) the law of conservation of energy (C) the law of heat

exchange (D) Newton’s law cooling.

89. Interferons are synthesized is response to

(A) mycoplasma (B) fungi (C) virus (D) bacteria

9.) Total internal reflection cannot take place when light goes from

(A) water to glass (B) water to air (C) glass to air (D) glass to water.

91. Bromine is–

(A) colourless gas insoluble in water (B) A highly inflammable gas (C) A



Black solid. (D) A red liquid.

92. The metal used in storage batteries–

(A) Iron (B) Copper (C) Lead (D) Zinc

93. Water has maximum density at–

(A) -4°C (B) 0°C (C) 4°C (D) 100°C

94. The colour of Emerald is–

(A) Violet (B) Yellow (C) Deep Green (D) Prussian Blue

95. Permanent hardness of water, due to sulphates of the metal, can be

destroyed by the use of–

(A) Nitrates (B) Zeolites (C) Sulphonates (D) None of these

96. Rust is–

(A) A mixture of Fe2O3 and Fe(OH)2 (B) A mixture of FeO and Fe(OH)2 (C)

FeO only (D) A mixture of Fe2O3, 3H2O and FeO

97. Which of the following characters is not shown by hydrogen–

(A) It burns in air to form water (B) It supports combustion (C) It combines

with almost all metals forming hydrides (D) It readily combines with fluorine

and chlorine

98. Which of the following elements is obtained from sea weeds ?

(A) Argon (B) Sulphur (C) Vanadium (D) Iodine

99. The metallic constituents of hard water are–

(A) Magnesium, Calcium and tin (B) Iron, tin and calcium (C) Calcium,

magnesium and iron (D) Magnesium, tin and iron

100. The location and energy of an electron in an atom can be specified by–

(A) Atomic mass (B) Atomic number (C) Quantum numbers (D) None of

these

101. The art of and science of map making is called

(A)Remote sensing (B) cartography (C) Photogrammetry (D) Mapping.



102. Silver halides are used in photographic plate because they are

(A) Oxidised in air (B) Soluble in hyposolution (C) Reduced by light (D)

Totally colourless

103. the isotope used for the production of atomic energy is

(A) U- 235 (B) U- 238 (C) U- 234 (D) U- 236

104. Which of the following is not nucleon?

(A) Proton (B) Neutron (C) Electron (D) Positron

105. Ringworm is a _______________ disease

(A) Bacterial (B) Protozoan (C) Viral (D) Fungal

106. Pituitary gland is situated in

(A) the base of the heart (B) the base of the brain (C) the neck (D) the

abdomen

107. Saliva helps in digestion of

(A) Fats (B) Starch (C) Protiens (D) Vitamins

108. The longest bone of human body is

(A) Ulna (B) Humerus (C) Femur (D) Tibia

109. The world’s only floating national park is situated in

(A) Manipur (B) Kula Lampur (C) Bilaspur (D) Dispur.

110. ‘Lumen’ is a unit of

(A) Illuminance (B) Brightness (C) Luminous flux (D) Luminous intensity.

111. Old-written material, which cannot be read easily can be read by–

(A) Cosmic Rays (B) Ultraviolet rays (C) Infra Red rays (D) None of these

112. In an atomic nucleus, neutrons and protons are held together by–

(A) Gravitational forces (B) Magnetic forces (C) Exchange forces (D)

Coulombic forces (Ans : C)



113. The type of glass used in making prisms and lenses is–

(A) Soft glass (B) Pyrex glass (C) Jena glass (D) Flint glass

114. Carbon tetrachloride fire extinguisher should not be used in closed

room because it produces poisonous glass called–

(A) Carbon Monoxide (B) Phosphine (C) Phosgene (D) None of these

115. Which of the following is commonly called a polyamide ?

(A) Rayon (B) Orion (C) Terylene (D) Nylon

116. Hydrometer is an instrument–

(A) For measuring sound in water (B) To detect the presence of hydrogen in

the atmosphere (C) For measuring the specific gravity of liquids (D) To

detect the changes in atmospheric humidity

117. Which thermometer is used to indicate the lowest temperature ?

(A) Clinical thermometer (B) Gas thermometer (C) Alcohol thermometer (D)

Resistance thermometer (Ans : C)

118. A chronometer measures–

(A) Sound waves (B) Time (C) Water waves (D) Colour contrast (Ans : B)

119. If temperature is kept constant during the reaction the process is

called–

(A) Adiabatic (B) Isobaric (C) Isochoric (D) Isothermal (Ans : D)

120. Cholera is caused by–

(A) vibrio cholerae (B) salmonella (C) bacterioceoccurs (D) None of these)

121. Why do colloidal substance do not deposited below ?

(A) Specific gravity is less (B) It is of very less amount in respect of solvent

(C) They carry electrical charges (D) They are converted to sovent (Ans : A)

122. Which of the following gases is obtained by the reaction of water with

calcium carbide–

(A) Acetylene (B) Ethylene (C) Methane (D) Water gas



123. Cooking oil can be converted into vegetable ghee by the process of–

(A) oxidation (B) hydrogenation (C) distillation (D) crystalisation

124. The contact process is involved in the manufacture of–

(A) nitric acid (B) Sulphuric acid (C) Ammonia (D) Caustic soda

125. Ant diuretic hormone (ADH)–

(A) inhibits the secretion of growth hormone by the pituitary (B) inhibits the

rate of heart beat (C) causes the muscular walls of the arterioles to

contract that simulates the reabsorption of water from the kidney

tubules.

(D) causes an increase in the blood pressure

126. Total internal reaction reflection cannot take place when light goes

from

(A) water to glass (B) water to air (C) glass to air (D) glass to water.

127. Aluminium salt commonly used to stop bleeding is

(A) Aluminium chloride (B) Aluminium nitrate (C) Aluminium sulphate (D)

Potash alum

128. The sense of balance is achieved by

(A) Cerebellum equilibrium (B) Thalamus equilibrium (C) Cerebrum

equilibrium (D) spinal cord equilibrium

129. The hydrophile nature of DNA is due to the presence of

(A) a number of hydrogen bonds (B) phosphate group (C) deoxyribose

sugar (D) thymine base.

130. Immunization technique was developed by

(A) Louis Pasteur (B) Robert Koch (C) Joseph Lister (D) Edward Jenner

131. From which mineral is radium obtained–

(A) Limestone (B) Haematitie (C) Pitchblende (D) Rutile

132. What is laughing gas ?

(A) Carbon dioxide (B) Sulphur dioxide (C) Nitrogen Dioxide (D) Nitrous

oxide



133. Which of the following is used as a material for making protective

windows in space probes ?

(A) Steel (B) Graphite (C) Tungsten (D) Diamond

134. The gases used in different types of welding would include–

(A) Oxygen and Hydrogen (B) Oxygen, acetylene and argon (C) Oxygen and

acetylene (D) Oxygen, hydrogen and nitrogen

135. Which of the following alloys is used for making magnets ?

(A) Duralumin (B) Stainless Steel (C) Alnico (D) Magnelium

136. Parmanent hardness of water may be removed by the addition of–

(A) Alum (B) Sodium Carbonate (C) Lime (D) Potassium Permanganate

137. Which of the following is the most stable element?

(A) Uranium (B) Hydrogen (C) Oxygen (D) Lead

138. Find the odd one ?

(A) Marble (B) Chalk (C) Lime Stone (D) Slaked Lime

139. Diamond is harder than graphite because of–

(A) Difference of layers of atoms (B) Tetrahedral structure of diamonds (C)

Difference of crystalline structures (D) None of these

140. Which of the following has least penetrating power?

(A) Alpha particles (B) Beta particles (C) Gamma particles (D) All have same

power (Ans : A)

141. What is increasing order of the wave lengths of the following colours–

1. Orange 2. Indigo 3. Yellow 4. Violet

(A) 1, 2, 3, 4 (B) 3, 4, 1, 2 (C) 4, 3, 2, 1 (D) 4, 2, 3, 1

142. Atoms are composed of–

(A) Electrons only (B) Protons only (C) Electrons and Protons (D) Electrons

and Nuclei

143. Paper is manufactured by–



(A) Wood and resin (B) Wood, Sodium and Bleaching powder (C) Wood and

bleaching powder (D) Wood, Calcium, hydrogen sulphate and resin

144. Which synthetic fibre is known as artificial silk ?

(A) Cotton (B) Rayon (C) Terylene (D) Nylon

145. Deep blue colour is imparted to glass by the presence of–

(A) Iron oxide (B) Cupric oxide

(C) Nickel oxide (D) Cobalt oxide (Ans : D)


Calcium Carbide ?


147. The gas liberated during the reaction of copper with dilute nitric acid

is–

(A) NO2 (B) N2O5 (C) O2 (D) NO

148. Which of following substances undergoes chemical change on heating

?

(A) Sodium Chloride (B) Silica (C) Lead Nitrate (D) Platinum wire

149. Starch hydrolysing enzyme is–

(A) sucrose (B) Invertase (C) amylase (D) cellulase

150. The enzyme used for the formation of RNA on DNA is–

(A) DNA polymerase (B) endonuclease (C) topoisomerase (D) RNA

polymerase

151. The term ‘enzyme’ was coined by–

(A) de Duve (B) Kunhe (C) C. Darwin (D) de Candolle

152. A plant cell differs from an animal cell in the absence of–

(A) mitochondria (B) centrioles (C) ribosomes (D) endoplasmic reticulum

153. A Vitamin, the absence of which leads to sterility in both males and

females is–



(A) Vitamin K (B) Vitamin C or ascorbic acid (C) Vitamin D or calciferol (D)

Vitamin E or tocopherol

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154. Anaemia is caused in man due to the deficiency of–

(A) folic acid (B) vitamin A (C) vitamin B12 (D) none (Ans : A)

155. Rusting of iron involves–

(A) oxidation (B) reduction (C) decomposition (D) displacement

156. The most abundant element is

(A) Silicon (B) Calcium (C) Nitrogen (D) Oxygen

157. A reversible irreversible an engine are working between the same

limits of temperature . The efficiency of

(A) The reversible engine is greater than irreversible engine (B) Each engine

is 100% (C) The two engines are equal (D) The irreversible engine is

greater than the reversible engine.

158. A cell increases in volume when it is placed in

(A) Hypertonic solution (B) Hypotonic solution (C) Isotonic solution (D)

None of these


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159. A process of inhabitation involves

(A) Diffusion (B) Capillary action (C) Absorption (D) Both (A) & (B)

160. Cell become turgid because of

(A) Plasmolysis (B) Exomosis (C) Endomosis (D) Diffusion

161. Which form of phosphorus is used in safety metals?

(A) Red Phosphorus (B) White Phosphorus (C) Yellow Phosphorus (D) Black

Phosphorous

162. Stainless steel is an alloy of–

(A) Iron, Carbon and Nickel (B) Iron and Manganese (C) Iron, Chromium and

Zinc (D) Iron, Chromium and Nickel

163. Which of the following is not correctly matched ?

(A) Galena : Lead Sulphide (B) Green vitriol : Copper sulphate (C) Plaster

of Paris : Calcium sulphate (D) Calomel : Mercurous Chloride

164. Potassium nitrate is used in–

(A) Salt (B) Glass (C) Fertiliser (D) Medicine

165. In which type of rocks are metals like Gold and Copper mostly found ?

(A) Old igneous (B) Old sedimentary (C) Old metamorphic (D) New

metamorphic

166. Which of the following gases is lighter than air ?

(A) Carbon dioxide (B) Oxygen (C) Ammonia (D) Chlorine

167. A super conductor is characterised by–

(A) Zero permeability (B) Low permeability

(C) High permeability (D) Infinite permeability (Ans : A)

168. Of the various forms of carbon, which one is used for absorption

purpose ?

(A) Diamond (B) Graphite (C) Coke (D) Wood Charcoal



169. The main constituents of Pearl are–

(A) Calcium Carbonate, Magnesium Carbonate (B) Calcium oxide,

Ammonium Chloride (C) Argonite , Chonchiolin (D) Ammonium Sulphate,

Sodium Carbonate

170. The age of most ancient geological formation is estimated by–

(A) Potassium-Argon method (B) Ra-Si method (C) C14 method (D)

Uranium-lead method

171. Which of the following is used as a moderator in nuclear reactor ?

(A) Ordinary water (B) Radium (C) Thorium (D) Graphite

172. Isotopes are separated by–

(A) Filtration (B) Sublimation (C) Distillation (D) Crystalization

173. The combustible material at the tip of a safety match stick is–

(A) Sulphur (B) Manganese dioxide (C) Phosphorus (D) Antimony sulphide

174. Which of the following roofs provide better protection against fire ?

(A) Cement slab (B) Asbestos sheet (C) Reinforced concrete (D) None of

these

175. The material used for bleaching paper pulp is–

(A) Chlorine (B) Caustic soda (C) Sodium Hypochlorite (D) Lime

176. Water is neither acidic nor alkaline because–

(A) it cannot accept or donate protons (B) it boils at high temperature(C) it

can dissociate into equal number of hydrogen ions (D) it cannot donate

or accept electrons

177. PVC is obtained by the polymerisation of–

(A) Propene (B) Vinyl Chloride (C) Styrene (D) Acetylene

178. Which of the following metals can displace zinc from a solution of zinc

sulphate ?

(A) Lead (B) Magnetism (C) Iron (D) Mercury

179. Which set of conditions represents easiest way to liquify gas ?



(A) Low temperature, high pressure (B) High temperature, low pressure

(C) Low temperature, low pressure (D) High temperature, high pressure

180. Artificial rain is caused by spraying small pellets of which of the

following over clouds ?

(A) Ice (B) Dry Ice (C) NaOH (D) NH4Cl

181. Galvanisation is deposition of–

(A) Zinc of iron (B) aluminium on Iron (C) tin on iron (D) copper on iron

182. Antibiotics are drugs used for the cure of–

(A) Bacterial diseases (B) Cancer (C) Malaria (D) Nervous disorders (Ans

: A)

183. Blood does not coagulate inside the body due to the presence of–

(A) haemoglobin (B) heparin (C) fibrin (D) plasma

184. Blood pressure is dependent on–

(A) systolic force (B) cardiac output (C) peripheral resistance (D) all of these

185. LPG contains–

(A) Butane and isobutene (B) Butane and Propane (C) Isobutene and

Propane (D) Butane, Isobutane and Propane

186. Root pressure is measured by

(A) Barometer (B) Atmometer (C) Manometer (D) Auxanomete

187. How many neutrons are there in 92U238 atom?

(A) 92 (B) 238 (C) 146 (D) 330

188. The inert gas which is substituted for nitrogen in the air used by deep

sea divers for breathing is

(A) Neon (B) Krypton (C) Argon (D) Helium

189. In an oxygen molecule, two atoms are united by

(A) the bond (B) two bonds (C) three bonds (D) four bonds



190. Two bodies kept at certain distance feel a gravitational force F to each

other. If the distance between t5hem is made double the former distance,

the force will be

(A)2F (B) 1

2 F (C) 4F (D)

𝟏

𝟒 F

191. From which mineral is radium obtained–

(A) Limestone (B) Haematitie (C) Pitchblende (D) Rutile

192. What is laughing gas ?

(A) Carbon dioxide (B) Sulphur dioxide (C) Nitrogen Dioxide (D) Nitrous

oxide

193. Which of the following is used as a material for making protective

windows in space probes ?

(A) Steel (B) Graphite (C) Tungsten (D) Diamond

194. The gases used in different types of welding would include–

(A) Oxygen and Hydrogen (B) Oxygen, acetylene and argon (C) Oxygen and

acetylene (D) Oxygen, hydrogen and nitrogen

195. Which of the following alloys is used for making magnets ?

(A) Duralumin (B) Stainless Steel (C) Alnico (D) Magnelium

196. Permanent hardness of water may be removed by the addition of–

(A) Alum (B) Sodium Carbonate (C) Lime (D) Potassium Permanganate

197. Which of the following is the most stable element?

(A) Uranium (B) Hydrogen (C) Oxygen (D) Lead

198. Find the odd one ?

(A) Marble (B) Chalk (C) Lime Stone (D) Slaked Lime

199. Diamond is harder than graphite because of–

(A) Difference of layers of atoms (B) Tetrahedral structure of diamonds(C)

Difference of crystalline structures (D) None of these

200. Which of the following has least penetrating power?



(A) Alpha particles (B) Beta particles(C) Gamma particles (D) All have same

power

201. What is increasing order of the wave lengths of the following colours–

1. Orange 2. Indigo 3. Yellow 4. Violet

(A) 1, 2, 3, 4 (B) 3, 4, 1, 2 (C) 4, 3, 2, 1 (D) 4, 2, 3, 1

202. Atoms are composed of–

(A) Electrons only (B) Protons only (C) Electrons and Protons (D) Electrons

and Nuclei

203. Paper is manufactured by–

(A) Wood and resin (B) Wood, Sodium and Bleaching powder (C) Wood and

bleaching powder (D) Wood, Calcium, hydrogen sulphate and resin

204. Which synthetic fibre is known as artificial silk ?

(A) Cotton (B) Rayon (C) Terylene (D) Nylon

205. Deep blue colour is imparted to glass by the presence of–

(A) Iron oxide (B) Cupric oxide (C) Nickel oxide (D) Cobalt oxide


Calcium Carbide ?


207. The gas liberated during the reaction of copper with dilute nitric acid

is–

(A) NO2 (B) N2O5 (C) O2 (D) NO

208. Which of following substances undergoes chemical change on heating

?

(A) Sodium Chloride (B) Silica (C) Lead Nitrate (D) Platinum wire

209. Starch hydrolysing enzyme is–

(A) sucrose (B) Invertase (C) amylase (D) cellulase

210. The enzyme used for the formation of RNA on DNA is–



(A) DNA polymerase (B) endonuclease (C) topoisomerase (D) RNA

polymerase)

211. The term ‘enzyme’ was coined by–

(A) de Duve (B) Kunhe (C) C. Darwin (D) de Candolle

212. A plant cell differs from an animal cell in the absence of–

(A) mitochondria (B) centrioles (C) ribosomes (D) endoplasmic reticulum

213. A Vitamin, the absence of which leads to sterility in both males and

females is–

(A) Vitamin K (B) Vitamin C or ascorbic acid(C) Vitamin D or calciferol (D)

Vitamin E or tocopherol

214. Anaemia is caused in man due to the deficiency of–

(A) folic acid (B) vitamin A (C) vitamin B12 (D) none

215. Rusting of iron involves–

(A) oxidation (B) reduction (C) decomposition (D) displacement

216. Purity of metal can be determined with the help of-

(A) Pascal’s law (B) Boyle’s law (C) Archimedes principle (D) Conservation

of mass principle

217. Pinna(external ear) is present in

(A) Amphibian (B) Fish (C) Mammal (D) Reptile

218.Beak is formed by

(A) Cheeks (B) Jaws (C) Teeth (D) none

219. The concept of tissue culture was introduce by

(A) Halfmeister (B) Hanstein (C) Haberlandt (D) Hanning

220. When we touch leaves of “ touch me not plant”, they close these

movements are called

(A) Photonastic movement (B) Nyctinastic movement (C) seismonastic

movement (D) chemonsatic movement



221. An alloy used in making heating elements for electric heating devices

is–

(A) Solder (B) Alloysteel C) Nichrome (D) German Silver (Ans : C)

222. German Silver is an alloy of–

(A) Copper, Silver and Nickel (B) Silver, Copper and Aluminium (C) Zinc,

Copper and Nickel (D) Silver, Zinc and Nickel

223. Air is a/an–

(A) Compound (B) Element (C) Mixture (D) Electrolyte

224. Which of the following substance is a bad conductor of electricity but a

good conductor of heat?

(A) Asbestos (B) Celluloid (C) Purspecks (D) Mica

225. Carborandum is–

(A) Silicon Dioxide (B) Silicon Carbide (C) Silicon Nitride (D) Silicon

Phosphide (Ans : B)

226. Which of the following is the best conductor of electricity ?

(A) Copper (B) Mica (C) Zinc (D) Silver

227. Soda water contains–

(A) Nitrous acid (B) Carbonic acid (C) Carbon dioxide (D) Sulphuric acid

228. Which of the following is basis of the modern periodic table ?

(A) Atomic mass (B) Atomic number (C) Atomic size (D) Atomic volume

229. Of the following metals, which one pollutes the air of a big city ?

(A) Copper (B) Cadmium (C) Lead (D) Chromium

230. Bell Metal is an alloy of–

(A) Brass and Nickel (B) Zinc and Copper (C) Tin and Copper (D) Nickel and

Copper

231. The high temperature superconductors are–

(A) Metal alloys (B) Ceramic oxides (C) Inorganic polymers (D) Pure rare



earth metals

232. The ingredients of Gun metal are–

(A) Iron, tin (B) Copper, tin (C) Iron, brass, tin (D) Iron, zinc, titanium

233. The neutral atom’s two isotopes differ in the number of–

(A) Electron shells (B) Protons (C) Valence electrons (D) Neutrons

234. Optical fibres are mainly used in–

(A) Communication (B) Weaving (C) Musical Instruments (D) Food Industry

235. The first synthetic fibre made by man was–

(A) Rayon (B) Nylon (C) Polyester (D) Terycott

236. Polythene is industrially prepared by the polymerization of–

(A) Methane (B) Styrene (C) Acetylene (D) Ethylene

237. A mixture of water and alcohol can be separated by–

(A) Filtration (B) Evaporation (C) Distillation (D) Decantation

238. A substance which changes readily into vapour without heating is

called–

(A) Efflorescent (B) Synthetic (C) Volatile (D) Effervescent

239. German biochemist, Emil Fischer–

(A) gave Operon model (B) compared the fit between enzyme substrate to

lock and key (C) proposed the theory of competitive inhibition (D) proposed

the feed back inhibition theory (Ans : B)

240. Enzymes generally have–

(A) same pH and temperature optima (B) same pH but different temperature

optima (C) different pH but same temperature optima (D) different pH

and temperature optima

241. Coenzyme is–

(A) always protein (B) often metal (C) always inorganic compound (D) often

a vitamin



242. Cholesterol is one kind of–

(A) Saturated fatty acid (B) unsaturated fatty acid(C) Steroid (D)

Diglyceride

243. Ethyl-alcohol is mixed completely with water. How ethyl alcohol is

separated from the mixture ?

(A) by separation flannel (B) by evaporation (C) partial-distillation (D)

evaporation of water

244. White vitriol is–

(A) FeSO4, 7H2O (B) ZnSO4, 7H2O (C) MgSO4, 7H2O (D) CuSO4, 7H2O

245. Combustion is a process by which–

(A) heat is produced (B) light is produced (C) heat and light both are

produced (D) None of these

246. Panda is belong to the same family as that

(A) Kangaroo (B) Porcupine (C) Whale (D) Bear

247. The casual organism of polio is

(A) A fungi (B) A Virus (C) A worm (D) A bacteria.

248. Instrument used to study the behaviour of vibrating string

(A) Barometer (B) Hydrometer (C) Hygrometer (D) Sonometer.

249. Sandstone is metamorphosed to

(A) Shale (B) Slate (C) Quartzite (D) Marble.

250. Wings birds are

(A) Modified hind limbs (B) New structure (C) Integmentary outgrowth (D)

Modified fore limbs.

251. The most abundant metal in the earth’s crust is– (A) Zinc (B) Copper (C) Aluminium (D) Iron 252. The gas used to extinguish fire is– (A) Neon (B) Nitrogen (C) Carbon dioxide (D) Carbon Monoxide



253. In which of the following activities Silicon Carbide is used ? (A) Making cement and glass (B) Disinfecting water and ponds (C) Making castes for statues (D) Cutting very hard substances 254. The two elements that are frequently used for making transistors are– (A) Boron and Aluminium (B) Silicon and Germenium (C) Iridium and Tungsten (D) Niobium and Columbium 255. Which of the following gas is not known as green house gas ? (A) Methane (B) Carbon dioxide (C) Nitrous oxide (D) CFC 256. Which of the following is not a neutral oxide ? (A) Carbon Monoxide (B) Sulphur Dioxide (C) Water (D) Nitric Oxide 257. Potassium Permanganate is used for purifying drinking water, because– (A) It dissolves the impurities of water (B) It is a sterilizing agent (C) It is an oxidising agent (D) It is a reducing agent. 258. The presence of which of the following salts in water causes corrosion in steam boilers ? (A) Sodium Chloride (B) Magnesium Chloride (C) Calcium bicarbonate (D) Potassium bicarbonate 259. Water is a good solvent of ionic salts because– (A) It has no colour (B) It has a boiling point (C) It has a high dipole moment (D) It has a high specific heat 260. Nuclear fission is caused by the impact of– (A) Proton (B) Electron (C) Neutron (D) (A) and (b) 261. Which is a good nuclear fuel ? (A) Uranium – 238 (B) Neptunium – 239 (C) Thorium – 236 (D) Plutonium – 236 262. Long distance photography is facilitated by– (A) Visible light (B) X-rays (C) Infra Red rays (D) Ultra violet rays 263. Which of the following is used in making artificial sweetener saccharine? (A) Benzene (B) Toluene(C) Phenol (D) Aniline



264. Rayon is chemically– (A) Glucose (B) Amylase (C) Cellulose (D) Peptin 265. Which of following is used as a filter in rubber tyres? (A) Graphite (B) Coal (C) Coke (D) Carbon Black 266. Which of the following substances exhibit the property of sublimation ? (A) Ice (B) Wax C) Camphor (D) Ethyl Alcohol 267. Combustion is the process in which– (A) Heat is produced (B) Light is produced (C) Heat and Light is produced (D) None of these 268. The chemical used as a fixer in photography is– (A) Borax (B) Sodium thiosulphate (C) Sodium Sulphate (D) Ammonium persulphate 269. Vitamins are– (A) inorganic substances which cannot be synthesized by animals (B) inorganic by animals(C) organic substances that cannot be generally synthesized by animals (D) organic substances which can be commonly synthesized by 270. Richest source of vitamin B1 (thiamine) is– (A) cod liver oil (B) curd (C) whole bread meal (D) eggs 271. One of these vitamins is called erythrocyte maturation factor– (A) A (B) C (C) K (D) B12

272. Saponification involves the hydrolysis of fats and oils by– (A) water (B) washing soda (C) stearic acid (D) caustic soda 273. Photo-synthesis is a/ an– (A) exothermic process (B) endothermic process (C) a neutral process (D) a thermostatic process 274. Which of the following is a physical change ? (A) oxidation (B) reduction (C) sublimation (D) decomposition 275. The process by which an organic compound breaks down into simpler compounds on heating to high temperature is known as– (A) Aromatisation (B) Polymerisation (C) Pyrolysis (D) Reduction



276.Which of the following element is not radioactive? (A) Radium (B) Plutonium (C) Zirconium (D) Uranium 277. Sulphur- dioxide bleaches colouring matter by (A) Reduction (B) Dehydration (C) Decomposition (D) Oxidation 278. Haptens are (A) Pseudoantigens (B) Dehydration (C) Decomposition (D) Oxidation. 279. The heaviest naturally occurring element is (A) Mercury (B) Polonium (C) Thorium (D) Uranium 280. Which of the following supports particle nature of photons? (A) Diffraction (B) Polarization (C) Photoelectric effect (D) Interference 281. Tetraethyl lead is used as–

(A) Mosquito repellent (B) Pain Killer (C) Fire extinguisher (D) Petrol

additive (Ans : D)

282. Which of the following is used in beauty parlours for hair setting ?

(A) Phosphorus (B) Sulphur (C) Chlorine (D) Silicon

283. Which of the following is a non-metal that remains liquid in room

temperature ?

(A) Bromine (B) Chlorine (C) Helium (D) Phosphorus

284. Which of the following is not a bleaching agent?

(A) Sulpher di-oxide (B) Carbon di-oxide (C) Sodium hypochlorite (D)

Chlorine

285. The gas usually filled in electric bulb is–

(A) Hydrogen (B) Oxygen (C) Nitrogen (D) Carbon di-oxide

286. Heavy water is–

(A) Tritium oxide (B) Deuterium oxide (C) Rain water (D) Water at 4°C

287. Cow milk is a rich source of–

(A) Vitamin A (B) Vitamin B1 (C) Vitamin C (D) Vitamin D

288. The element found in the surface of the Moon is–



(A) Tin (B) Tungsten (C) Tantalum (D) Titanium

289. The average salinity of sea water is–

(A) 2% (B) 3% (C) 2.5% (D) 3.5%

290. The isotope of Uranium capable of sustaining chain reaction is–

(A) U 235 (B) U 238 (C) U 239 (D) None of these

291. Radioactive disintegration of Uranium ultimately results in formation

of–

(A) Radium (B) Thorium (C) Polonium (D) Lead

292. Atom bomb is made on the basis of–

(A) Nuclear fusion (B) Nuclear fission (C) Both (A) and (B) (D) None of these

293. Which of the following is the petroleum wax ?

(A) Bees wax (B) Carnauba wax (C) Paraffin wax (D) Jojoba wax

294. Which of the following fibres is generally preferred for making gauze

and lint ?

(A) Cotton (B) Rayon (C) Nylon (D) Terylene

295. Rubber is coagulated from latex by adding–

(A) Hydrochloric acid (B) Acetic acid (C) Sulphuric acid (D) Carbonic acid

296. Which of the following metals can displace hydrogen from dilute acids

?

(A) Zinc (B) Gold (C) Copper (D) Silver

297. Reaction of alcohol, with carboxylic acid is known as–

(A) Substitution reaction (B) Addition reaction (C) Esterification (D)

Hydrogenation

298. Saponification involves the hydrolysis of fats and oils by–

(A) Water (B) Washing soda (C) Stearic acid (D) Caustic acid)

299. Ascorbic acid is–



(A) Vitamin K (B) Vitamin B (C) Vitamin A (D) Vitamin C

300. Sterility in some animals is caused due to deficiency of–

(A) vitamin B (B) vitamin D (C) vitamin B12 (D) vitamin E

301) How much time does sunlight takes to reach the Earth?

a) 2 minutes. b) 4 minutes. c) 8 minutes. d) 16 minutes.

302) The absorption of ink by blotting paper involves:

a) Viscosity of ink. b) Capillary action phenomenon. c) Diffusion of ink through the blotting. d) Siphon action.

303) Sound waves in air are:

a) Transverse. b) Longitudinal. c) Electromagnetic. d) Polarised.

304) Magnetism at the centre of a bar magnet is:

a) Minimum. b) Maximum. c) Zero. d) Minimum or maximum.

305) Stars appears to move from east to west because:

a) All stars move from east to west. b) The Earth rotates from west to east. c) The Earth rotates from east to west. d) None of these.

306) Why are metals good conductors of electricity?

a) The atoms are lightly packed. b) They have high melting point. c) They contain free electrons. d) All of the above.

307) Why it is more difficult to walk on a sandy road than on a concrete road?

a) The friction between sand and feet is less than that between concrete and feet. b) Sand is soft and concreter is hard. c) The friction between sand and feet is more than that between concrete and feet. d) The sand is grainy but concrete is smooth.

308) On a rainy day, small oil films on water show brilliant colours. This is due to:

a) Diffraction. b) Polarization. c) Dispersion. d) Interference.



309) In Sanskrit which among the following is known as ‘deer’s thirst’?

a) Halo. b) Earthshine. c) Mirage. d) Rainbow.

310) Why does star twinkle?

a) The light from the star is scattered by the dust particles and air molecules in the earth’s atmosphere. b) The refractive index of the different layers of the earth’s atmosphere changes continuously, consequently the position of the image of a star changes with time. c) The intensity of light emitted by them changes with time. d) The distance of the stars from the earth changes with time.

311) Sound travels at the fastest speed in:

a) Vacuum. b) Air. c) Water. d) Steel.

312) On a cold day when a room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature, because:

a) Metals are good conductor of heat. b) Plastics have a lower density than metals. c) Plastics have a higher thermal conductivity than metals. d) Metals have higher thermal capacity than plastics.

313) Intensity of sound at a point is …………its distance from the source.

a) Directly proportional to square of b) Directly proportional to c) Inversely proportional to. d) Inversely proportional to square of

314) Why are radio telescopes better than optical telescopes?

a) They can work during day and night. b) They can work even in cloudy conditions. c) They can detect faint galaxies which no optical telescope can. d) All of the above.

315) Among the following which does not have identical dimension?

a) Work and Torque. b) Moment of inertia and moment of a force. c) Impulse and Momentum. d) None of these.

316) Why is mercury commonly used as a thermometric fluid than water?

a) Density of mercury is more than the water. b) Specific heat of mercury is more than water. c) Mercury has greater visibility than water. d) Specific heat of mercury is less than water.



317) Supersonic plane fly with the speed:

a) Of light. b) Of sound. c) Less than the speed of sound. d) Greater than the speed of sound.

318) Rainbow appears due to:

a) Refraction and reflection of sunlight by water droplets. b) Diffusion of sunlight through water droplets. c) Ionization of water deposits. d) Absorption of sunlight in minute water droplets.

319) When does solar eclipse take place?

a) The moon is between the sun and the earth. b) The sun is between the moon and the earth. c) The earth is between the moon and the sun. d) None of these.

320) Who among the following discovered natural radioactivity?

a) Henry Baquerel. b) Ernest Rutherfor. c) Marie Curie. d) Enrico Fermi.

321) Which was the first metal that was used by man?

a) Gold. b) Bronze. c) Copper. d) Iron.

322) Which among the following consists of the nucleus of an atom?

a) Electrons and neutrons. b) Electrons and protons. c) Protons and neutrons. d) All of these.

323) Among the following which law states that the amount of gas dissolved in a liquid is proportional to its partial?

a) Henry’s law. b) Raoult’s law. c) Dalton’s law. d) Gay Lussac’s law.

324) The nucleus of a hydrogen atom consists of:

a) 1 proton only. b) 1 proton + 2 neutrons. c) 1 neutron only. d) 1 electron only.

325) Which among the following is the most abundant rare gas in the atmosphere?

a) He. b) Ne. c) Ar. d) Xe.

326) What is the use of salt in the diet?



a) Make the taste of food better. b) Produce in small amounts the hydrochloric acid required for the digestion of food. c) Ease the process of cooking. d) Increase the solubility of food particles in water.

327) The luster of a metal is due to:

a) Its high density.b) Its high polishing.c) Its chemical inertness.d) Presence of free electrons.

28) Which is the gas that is being used in the manufacture of vanaspati from vegetable oil?

a) Hydrogen.b) Oxygen.c) Nitrogen.d) Carbon dioxide.

329) Among the following which is the most electropositive elements?

a) Na. b) Ca. c) K. d) Cs.

330) Which is the gas that is used for artificial ripening of green fruit?

a) Carbon dioxide. b) Acetylene. c) Ethylene. d) Ethane.

331) The high reactivity of fluorine is due to:

a) Its high electro negativity. b) Small size of fluorine atom. c) Availability of d-orbitals. d) Strong F – F bond.

332) The iron ore magnetite consists of:

a) Fe2O3 b) Fe3OH4 c) FeCO3 d) 3Fe2O3, 3H2O

333) Which among the following is most electronegative element?

a) Sodium. b) Bromine. c) Fluorine. d) Oxygen.

334) Which is the most commonly used bleaching agent?

a) Alcohol. b) Carbon dioxide. c) Chlorine. d) Sodium chlorine.

335) Which is the method that cannot be used to remove permanent hardness of water?

a) Distillation. b) Boiling. c) Adding caustic soda. d) Adding sodium carbonate.



336) The number of moles of solute present in 1 kg of a solvent is called its………….

a) Molality. b) Normality. c) Formality. d) Molarity.

337) Using which of the metallurgical process a metal is obtained in a fused state?

a) Roasting. b) Froth flotation. c) Calcinations. d) Smelting.

338) Among the following the molecules of which gas have highest speed?

a) CH4 at 300K. b) H2 at 73°C. c) N2 at 1027°C. d) O2 at 0°C.

339) The heat required to raise the temperature of body by 1 K is called:

a) Specific heat. b) Thermal capacity. c) Water equivalent. d) None of these.

340) The octane number of zero is assigned to:

a) 2-methyl octane. b) n-heptane. c) iso-octane. d) 3-methyl octane.

341) Human nails are made up of …………

a) Keratin. b) Cholesterol. c) Gelatin. d) Calcium.

342) What is the scientific term for high blood pressure?

a) Heart attack. b) Hypertension. c) COPD. d) Asthma.

343) What cell component is commonly used for personal identification?

a) DNA. b) Ammonia acid. c) RNA. d) REM.

344) Which is the smallest bone in the body?

a) Hammer. b) Femur. c) Patella. d) Stirrup.

345) What method is used to kill the bacteria in milk?

a) Pasteurization. b) Sterilization. c) Chlorination. d) Immunization.

346) Scurvy is caused due to deficiency of?

a) Vitamin D. b) Vitamin C. c) Potassium. d) Calcium.

347) Which is the largest artery in the body?



a) Aorta. b) Pulmonary Artery. c) Coronary Artery. d) Renal Artery.

348) About how many pints of blood are there in the Human body?

a) 28. b) 8. c) 18. d) 1.

349) Which bone is located in the collar region of the human body?

a) Clavicle. b) Frontal. c) Hyoid. d) Temporal.

350) What is the correct name for the nerve cell?

a) The neuron. b) The neural link. c) The nerve. d) The responder.

351) What part of eyes adjusts to focus more clearly?

a) Lens. b) Retina. c) Blind spot. d) Lid.

352) Which organism is helpful in making the soil more fertile?

a) Roundworm. b) Earthworm. c) Ringworm. d) Beetle.

353) What is the pituitary gland attached to?

a) Brain. b) Heart. c) Lungs. d) Liver.

354) How many joints are there in the Human body?

a) 410. b) 230. c) 567. d) 198.

355) What is the average weight of Human brain?

a) 3,200 grams. b) 1000 grams. c) 1,400 grams. d) 2,300 grams.

356) How many chromosomes are there in the human gene?

a) 36. b) 12. c) 46. d) 24.

357) Where is human appendix located?

a) Middle. b) It is somewhat random. c) Left side. d) Right side.

358) Which blood group is known as Universal recipient?

a) Group O b) Group AB c) Group B d) Group A

359) Where is the tympanic membrane found?



a) Nose. b) Eye. c) Liver. d) Ear.

360) Botany is the study related to:. a) Plants b) Bottles. c) Insects. d) Seeds.

.361) Which of the following is the lightest metal ? (A) Mercury B) Silver (C) Lithium (D) Lead

362) The most important ore of Aluminium is– (A) Bauxite (B) Calamine (C) Calcite (D) Galena 363) The element present in the largest amount in rocks and minerals is– (A) Carbon (B) Silicon C) Hydrogen (D) Aluminium (Ans : B) 364) The chemial name of Uria is– (A) Aneurin (B) Chloroetane (C) Carbamide (D) None of these

365) Permanent hardness of water can be removed by adding– (A) Potassium Permanganate (B) Chlorine (C) Bleaching Powder (D) Washing Soda 366)The formula of Plaster of Paris is– (A) CaSO4 (B) CaSO4, 2H2O (C) 2CaSO4, 4H2O (D) 2CaSO4, H2O 367) Liquefied Petroleum gas (LPG) consists of mainly– (A) Methane, Ethane and Hexane (B) Ethane, Hexane and Nonane (C) Methane, Butane and Propane (D) Methane, Hexane and Nonane 368) The metal that is present in Photo Films is– (A) Mercury (B) Platinium (C) Magnesium (D) Silver 369. Which of the following is in liquid form at room temperature ? (A) Cerium (B) Sodium (C) Francium (D) Lithium 370) The property of a substance to absorb moisture from the air on exposure is called– (A) Osmosis (B) Desiccation (C) Efflorescence (D) Deliquescene (Ans : D) 371) Brass gets discoloured in air due to the presence of which gas in air– (A) Carbon dioxide (B) Oxygen (C) Hydrogen Sulphide (D) Nitrogen 372) Quartz crystals normally used in quartz clocks etc. is chemically– (A) Sodium Silicate (B) Silicon dioxide (C) Germenium dioxide (D) A



mixture of (B) and (C) 373) Which of the following elements is non-radioactive? (A) Uranium (B) Thorium C) Plutonium (D) Zirconium 374) According to Dalton’s atomic theory the smallest particle which can exist independently is– (A) An atom (B) A molecule (C) A cation (D) An anion 375) The recent atomic weight scale is based on– (A) 1H1 (B) 1H2 (C) 6C12 (D) 8O16 376) The major ingredient of leather is– (A) Carbohydrate (B) Collagen (C) Polymer (D) Nucleic acid (Ans : B) 377) Glass is made from the mixture of– (A) Quartz and mica (B) Sand and salt (C) Sand and silicates (D) None of these 378) Epoxy resins is used as– (A) Moth repellants (B) Insecticides (C) Detergents (D) Adhesives

379) One fathom is equal to– (A) 6 metres (B) 6 feet (C) 60 feet (D) 60 cms 380) What is the unit for measuring the pitch or frequency of sound ? (A) Coulomb (B) Hum (C) Cycles (D) Decible 381) The fastest acting enzyme in the biological kingdom is– (A) lipase (B) amylase (C) carboxypeptidase (D) carbonic anhydrase

382) Lightening cause rainfall because– (A) It cause combination of oxygen and nitrogen (B) Some of the gas molecules become bigger (C) It activate H2O molecule (D) Photo-electricity reaction starts 383) Nitrification means– (A) Liquifaction of nitrogen (B) Convert the atmospheric nitrogen to effective nitrogen compound. (C) Production of nitrogen from air (D) Conversion of nitrogen to nitric acid. 384) Cell membrane is–



(A) permeable (B) selectively permeable (C) semipermeable (D) impermeable 385) Polythene is industrially prepared by the polymerisation of– (A) methane (B) styrene (C) acetylene (D) ethylene

386) Which of the following terms is not used in the field of physics?

(A) Latent Heat (B) Nuclear fusion (C) Refractive Index (D) Stock value

387) The term of ‘brown air’ is used for

(A) Photochemical smog (B) Sulphurous smog (C) Industrial Smog (D) Acid fumes

388) Which of the following particles has the dual nature of particle- wave?

(A) Neutron (B) Electron (C) Meson (D) Proton

389) The maximum fixation of solar energy is done by

(A) Bacteria (B) Fungi (C) Green Plants (D) Protozoa

390) The metal ion is present in B12 is

(A) Nickel (B) Cobalt (C) Iron (D) Zinc

391) Which of the following is has given the term rhizosphere

(A) Alexopolus (B) Garret (C) Hiltner (D) None of the given option

392) Atomic number of an atom gives the number of which of the following?

(A) electrons (B) protons (C) neutrons (d) neutrons and protons

393) Which of the following is a non metal that remains liquid at room temperature?

(A) Phosphorous (B) Bromine (C) Chlorine (D) Helium

394) Which of the following is indicated by the colour of aStar?

(A) weight (B) distance (C) temperature (D) size

395) Chlorophyll is a naturally occurring chelate compound in which central metal is

(A) copper (B) magnesium (C) iron (D) calcium



396) Which among the following is sweetest sugar?

(A) lactose (B) maltose (C) glucose (D) fructose

397) Microbial degradation of nitrates into atmospheric nitrogen is known

as

(A) Ammonification (B) Denitrification (C) Putrefacation (D) Nitrifcation

398) Which of the following metals forms an amalgam with other metals?

(A) Tin (B) Mercury (C) Lead (D) Zinc

399) Which of the following blood group is considered as Universal Donor?

(A) A (B) AB (C) B (D) O

400) What part of the Quinine plant is commonly used drug for Malaria?

(A) Leaves (B) Fruits (C) Root (D) Stem bark

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