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SSC CGL TOPIC WISE QUESTION PAPER : GENERAL SCIENCE

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1. A concave lens always forms an image which is (SSC CGL 2010)

(a) real and erect
(b) virtual and erect
(c) real and inverted
(d) virtual and inverted

ANS (B)

2. A vitamin requires cobalt for its activity. The vitamin is (SSC CGL  2010)

(a) Vitamin B12
(b) Vitamin D
(c) Vitamin B2
(d) Vitamin A

ANS (A)

3. One of the constituents of tear gas is

(a) Ethane
(b) Ethanol
(c) Ether
(d) Chloropicrin

ANS (D)

4. The modulus of rigidity is the ration of (SSC CGL 2010)

(a) longitudinal stress to longitudinal strain
(b) Volume stress to volume strain
(c) shearing stress to shearing strain
(d) tensile stress to tensile strain

ANS (B)

5. The propagation of sound waves in a gas involves (SSC CGL 2010)

(a) adiabatic compression and refraction
(b) isothermal compression and rarefaction
(c) isochoric compression and rarefaction
(d) isobaric compression and rarefaction

ANS (A)

6. An stomic clock is based on transitions in (SSC CGL 2010)

(a) Sodium
(b) Caesium
(c) Magnesium
(d) Aluminium

ANS (B)

7. Plasma membrane in eukaryotic celle is made up of (SSC CGL 2010)

(a) Phospholipid
(b) Lipoprotein
(c) Phospholpo-protein
(d) Phospho-protein

ANS (A)

8. Which one of the following is also called the 'power plants' of the cell ? (SSC CGL  2010)

(a) Golgi body
(b) Mitochondrion
(c) Ribosome
(d) Lysosome

ANS (B)

9. What is the chemical name of vinegar ? (SSC CGL 2010)

(a) Citric acid
(b) Acetic acid
(c) Pyruvic acid
(d) Malic acid

ANS (B)

10. Which of the following is not a property of heavy water ? (SSC CGL 2010)

(a) Boiling point of heavy water is lower than that of, ordinary water
(b) Density of heavy water is higher than that of ordinary water
(c) Freezing point of heavy water is higher than that of ordinary water
(d) It produces corrosion

ANS (A)

11. In which of the following processes is energy released ? (SSC CGL  2010)

(a) Respiration
(b) Photosynthesis
(c) Ingestion
(d) Absorption

ANS (A)

12. Animals living in the three trunks are known as (SSC CGL 2010)

(a) Arboreal
(b) Volant
(c) Amphibious
(d) Aquatic

ANS (A)

13. In input frequency of a full wave rectifier be n, then output frequency would be (SSC CGL 2010)
(a)n2
(b) n
(c)3n2
(d) 2n

ANS (A)

14. Heat transfer horizontally within the atmosphere is called (SSC CGL  2010)

(a) Conduction
(b) Convection
(c) Absorption
(d) Advection

ANS (D)

15. Noise is measured in (SSC CGL 2010)

(a) Watt
(b) REM
(c) Centigrade
(d) Decibel

ANS (D)

16. The bats can fly in the dark because (SSC CGL 2010)

(a) they can see the objects in darkness
(b) they have weak legs and are likely to be attacked by predators
(c) they generate flashes of light
(d) they generate ultrasonic sound waves

ANS (D)

17. What changes will happen to a bow of ice and water kept at exactly zero degree Celsius? (SSC CGL 2010)

(a) All ice will melt
(b) All water will become ice
(c) No change will happen
(d) Only some ice will melt.

ANS (C)

18. The art and science of map making is called (SSC CGL 2010)

(a) Remote Sensing
(b) Cartography
(c) Photogrammetry
(d) Mapping

ANS (B)

19. Silver halides are used in photographic plates because they are (SSC CGL 2010)

(a) oxidised in air
(b) soluble in hyposolution
(c) reduced by light
(d) totally colourless

ANS (C)

20. Tetra ethyle lead (TEL) is (SSC CGL  2010)

(a) a catalyst in burning fossil fuel
(b) an antioxidant
(c) a reductant
(d) an antiknock compound

ANS (D)

21. Curie point is the temperature at which (SSC CGL 2010)

(a) Matter becomes radioactive
(b) A metal loses magnetic properties
(c) A metal loses conductivity
(d) Transmutation of metal occurs.

ANS (B)

22. The isotope used for the production of atomic energy is (SSC CGL 2010)

(a) U-235
(b) U-238
(c) U-234
(d) U-236

ANS (A)

23. The acceleration due to gravity at the equator (SSC CGL  2010)

(a) is less than that at the poles
(b) is greater than that at the poles
(c) is equal to that at the poles
(d) does not depend on the earth's centripetal acceleration

ANS (A)

24. Which of the following is not a nucleon ? (SSC CGL  2010)

(a) Proton
(b) Neutron
(c) Electron
(d) Positron

ANS (D)

25. The material used in the manufacture of lead pencil is (SSC CGL 2010)

(a) Graphite
(b) Lead
(c) Carbon
(d) Mica

ANS (A)

26. Angle of friction and angle of repose are (SSC CGL  2010)

(a) equal to each other
(b) not equal to each other
(c) proportional to each other
(d) None of the above

ANS (A)

27. What happens to a person who receives the wrong type of blood? (SSC CGL 2010)

(a) All the arteries constrict
(b) All the arteries dialates
(c) The RBCs agglutinate
(d) The spleen and lymphnodes deteriorate

ANS (C)

28. If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by (SSC CGL 2010)

(a) Mercury
(b) Lead
(c) Iron
(d) Arsenic

ANS (D)

29. Ringworm is a ................ disease. (SSC CGL  2010)

(a) Bacterial
(b) Protozoan
(c) Viral
(d) Fungal

ANS (D)

30. Pituitary gland is situated in (SSC CGL 2010)

(a) the base of the heart
(b) the base of the brain
(c) the neck
(d) the abdomen

ANS (B)

31. Saliva helps in the digestion of: (SSC CGL  2011)

(a) Fats
(b) Starch
(c) Proteins
(d) Vitamins

ANS (B)

32. The longest bone in the human body is: (SSC CGL  2011)

(a) Ulna
(b) Humerus
(c) Femur
(d) Tibia

ANS (C)

33. The time period of a pendulum when taken to the Moon would: (SSC CGL 2011)

(a) remain the same
(b) decrease
(c) become zero
(d) increase

ANS (D)

34. The function of ball hearings in a wheel is: (SSC CGL2011)

(a) to increase friction
(b) to convert kinetic friction into rolling friction
(c) to convert static friction into kinetic friction
(d) just for convenience

ANS (B)

35. 'Shock–absorbers' are usually made of steel as it: (SSC CGL  2011)

(a) is not brittle
(b) has lower elasticity
(c) has higher elasticity
(d) has no ductile property

ANS (C)

36. Which of the following could be used as fuel in propellant or rockets? (SSC CGL 2011)

(a) Liquid Hydrogen + Liquid Nitrogen
(b) Liquid Oxygen + Liquid Argon
(c) Liquid Nitrogen + Liquid Oxygen
(d) Liquid Hydrogen + Liquid Oxygen

ANS (D)

37. The addition of gypsum to portland cement helps in: (SSC CGL 2011)

(a) increasing the strength of cement
(b) rapid setting of cement
(c) preventing rapid setting of cement
(d) reduction in the cost of cement

ANS (C)

38. White lung disease is prevalent among the workers of: (SSC CGL  2011)

(a) Paper industry
(b) Cement industry
(c) Cotton industry
(d) Pesticide industry

ANS (D)

39. lodoform is used as an: (SSC CGL 2011)

(a) antipyretic
(b) analgesic
(c) antiseptic
(d) anaesthetic

ANS (C)

40. An artificial ecosystem is represented by: (SSC CGL  2011)

(a) pisciculture tank
(b) agricultural land
(c) zoo
(d) aquarium

ANS (D)

41. The constituents of automobile exhaust that can cause cancer is are: (SSC CGL 2011)

(a) Oxides of nitrogen
(b) Carbon monoxide
(c) Polycyclic hydrocarbons
(d) Lead

ANS (D)

42. The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is: (SSC CGL  2011)

(a) 4 – 6
(b) 2 – 4
(c) 8 – 10
(d) 12 – 16

ANS (A)

43. The world's only floating national park is situated in: (SSC CGL 2011)

(a) Manipur
(b) Kuala Lumpur
(c) Bilaspur
(d) Dispur

ANS (A)

44. Who invented vaccination for 'Small Pox'? (SSC CGL 2011)

(a) Sir Fredrick Grant Banting
(b) Sir Alexander Fleming
(c) Edward Jenner
(d) Louis Pasteur

ANS (C)

45. BT seed is associated with (SSC CGL 2011)

(a) Rice
(b) Wheat
(c) Cotton
(d) Oil seeds

ANS (C)

46. Which one of the following minerals is found in Monazite sand? (SSC CGL  2011)

(a) Potassium
(b) Uranium
(c) Thorium
(d) Sodium

ANS (C)

47. In coriander, the useful parts are (SSC CGL  2011)

(a) roots & leaves
(b) leaves & flowers
(c) leaves & dried fruits
(d) flowers & dried fruits

ANS (C)

48. Which plant is called Herbal Indian Doctor? (SSC CGL 2011)

(a) Amla
(b) Mango
(c) Neem
(d) Tulsi

ANS (A)

49. The pH of human blood is (SSC CGL  2011)

(a) 7.2
(b) 7.8
(c) 6.6
(d) 7.4

ANS (D)

50. Which amongst the following is largest endocrine gland in the body? (SSC CGL  2011)

(a) Thyroid
(b) Parathyroid
(c) Adrenal
(d) Pituitary

ANS (A)

51. Which amongst the following is the largest mammal? (SSC CGL 2011)

(a) Elephant
(b) Whale
(c) Dinosaur
(d) Rhinoceros

ANS (B)

52. Which part becomes modified as the tusk of elephant? (SSC CGL 2nd Sit. 2011)

(a) Canine
(b) Premolar
(c) Second incisor
(d) Molar

ANS (C)

53. Optical fibres are based on the phenomenon of (SSC CGL . 2011)

(a) Interference
(b) Dispersion
(c) Diffraction
(d) Total Internal Reflection

ANS (D)

54. Now–a–days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps? (SSC CGL 2011)

(a) Sodium
(b) Neon
(c) Hydrogen
(d) Nitrogen

ANS (A)

55. 'Mirage' is an example of (SSC CGL 2011)

(a) refraction of light only
(b) total internal reflection of light only
(c) refraction and total internal reflection of light
(d) dispersion of light only

ANS (C)

56. The phenomenon of light associated with the apprearance of blue colour of the sky is (SSC CGL 2011)

(a) Interference
(b) Reflection
(c) Refraction
(d) Scattering

ANS (D)

57. Lens is made up of (SSC CGL 2011)

(a) Pyrex glass
(b) Flint glass
(c) Ordinary glass
(d) Cobalt glass

ANS (B)

58. The element which is used for vulcanizing rubber (SSC CGL  2011)

(a) Sulphur
(b) Bromine
(c) Silicon
(d) Phosphorus

ANS (A)

59. Which of the following is responsible for the extra strength of pyrex glass? (SSC CGL 2011)

(a) Potassium Carbonate
(b) Lead Oxide
(c) Borax
(d) Ferric Oxide

ANS (C)

60. The noble gas used for the treatment of cancer is (SSC CGL 2011)

(a) Helium
(b) Argon
(c) Krypton
(d) Radon

ANS (D)

61. Fertilization occurs normally in the (SSC CGL  2012)

(a) Cervix
(b) Vagina
(c) Fallopian tube
(d) Uterus

ANS (C)

62. People consuming alcohol in heavy quantities generally die of (SSC CGL  2012)

(a) liver or stomach cancer
(b) weakening of heart muscles leading to cardiac arrest
(c) blood cancer
(d) Cirrhosis

ANS (D)

63. The organisms at the base of the grazing food-chain are (SSC CGL 2012)

(a) Carnivores
(b) Decomposers
(c) Producers
(d) Herbivores

ANS (C)

64. The mass of 10 moles of water is (SSC CGL  2012)

(a) 90 g
(b) 45 g
(c) 18 g
(d) 180 g

ANS (C)

65. Vitamin A is rich in (SSC CGL 2012)

(a) Carrot
(b) Lime
(c) Beans
(d) Rice

ANS (A)

66. The high boiling point of water compared to hydrogen sulphide or hydrogen chloride is due to (SSC CGL  2012)

(a) Dipole insulation
(b) Van der Waal's attraction
(c) Polar covalent bonding
(d) Hydrogen bonding

ANS (D)

67. Which of the following determines the chemical properties of an element? (SSC CGL  2012)

(a) Number of electrons
(b) Number of neutrons
(c) Number of protons
(d) All of the above

ANS (A)

68. 'Lumen' is the unit of (SSC CGL  2012)

(a) Illuminance
(b) Brightness
(c) Luminous flux
(d) Luminous intensity

ANS (C)

69. Which one of the following forces is a 'dissipative force'? (SSC CGL2012)

(a) Electrostatic force
(b) Magnetic force
(c) Gravitational force
(d) Frictional force

ANS (D)

70. If a resistive wire is elongated, its resistance (SSC CGL  2012)

(a) decreases
(b) remains constant
(c) increases
(d) All of the above

ANS (C)

71. If a magnet has a third pole, then the third pole is called (SSC CGL 2012)

(a) defective pole
(b) consequent pole
(c) extra pole
(d) arbirary pole

ANS (B)

72. The sweet taste of fruits is due to (SSC CGL  2012)

(a) Lactose
(b) Fructose
(c) Maltose
(d) Ribose

ANS (B)

73. Which is NOT a correct statement? (SSC CGL 2012)

(a) Phenols are acidic
(b) In benzene all the atoms lie in one plane
(c) Methylated spirit contains only methanol
(d) Dilute solutions contain less amount of solute

ANS (C)

74. The infective stage of Malaria is: (SSC CGL 2012)

(a) Gametocyte
(b) Ring stage
(c) Sporozoite
(d) Merozoite

ANS (C)

75. Which of the following is meant for the ex-situ conservation of various species? (SSC CGL 2012)

(a) Sperm bank
(b) Blood bank
(c) Germplasm bank
(d) Herbarium

ANS (C)

76. An algae type ocean deposit is: (SSC CGL  2012)

(a) Neritic remains
(b) Diatom Ooze
(c) Pteropod Ooze
(d) Pelagic deposits

ANS (B)

77. Photosynthetic vesicle found in bacteria is called a: (SSC CGL 2012)

(a) Mesosome
(b) Chromatophore
(c) Genophore
(d) Pneumatophore

ANS (B)

78. What type of mirror is used in a view finding mirror of a vehicle? (SSC CGL 2012)

(a) Convex mirror
(b) Plane mirror
(c) Concave mirror
(d) Paraboloidal mirror

ANS (A)

79. Pyroligneous acid obtained from wood contains: (SSC CGL  2012)

(a) 10% Formaldehyde
(b) 10% Acetic acid
(c) 10% Formic acid
(d) 10% ethanol

ANS (B)

80. Union Carbide India Ltd. manufactured essentially:(SSC CGL  2012)

(a) Heavy water
(b) Petrochemicals
(c) Fertilizers
(d) Leather goods

ANS (B)

81. Drying oils contain a fairly large proportion of:  (SSC CGL  2012)

(a) Unsaturaled fatty acids
(b) Fats
(c) Proteins
(d) Saturated fatty acids

ANS (A)

82. The red, orange and yellow colours of leaves are due to:(SSC CGL  2012)

(a) Carotenoids
(b) Aldehydes
(c) Tannins
(d) Lignins

ANS (A)

83. We receive sunlight on earth surface. What type of light beams are these? (SSC CGL 2012)

(a) Random
(b) Parallel
(c) Converging
(d) Diverging

ANS (A)

84. Polar-bears hold cures for: (SSC CGL 2012)

(a) Type II diabetes
(b) Osteoporosis
(c) Breast-cancer
(d) Kidney failure

ANS (A)

85. Which colour/colours of light has the highest velocity through vacuum? (SSC CGL 2012)

(a) Blue
(b) Red
(c) Green
(d) All of the above

ANS (D)

86. The ultimate source of energy in a hydroelectric power station is: (SSC  2012)

(a) solar energy
(b) the potential energy of water
(c) the kinetic energy of water
(d) the electro-chemical energy of water

ANS (B)

87. The disease that kills more people than lung cancer as a consequence of air pollution is: (SSC CGL  2012)

(a) chronic bronchitis
(b) asthma
(c) emphesema
(d) heart attack

ANS (C)

88. Which of the following pairs is correctly matched? (SSC CGL 2012)

(a) Milk of lime–sodium sulphate
(b) Glauber’s salt–calcium sulphate
(c) Salt petre–potassium nitrate
(d) Gypsum–calcium hydroxide

ANS (C)

89. ‘Eutrophication’ is associated with (SSC CGL 2012)

(a) Nitrates and Phosphates
(b) Sewage
(c) Silt load
(d) Vegetation

ANS (A)

90. The best way to maintain a natural equilibrium between the pest and predator is by using (SSC CGL  2012)

(a) insecticides
(b) biological control
(c) pesticides
(d) herbicides

ANS (B)

91. ‘Dry ice’ is the condensed form of (SSC CGL 2012)

(a) sulphur tri-oxide
(b) carbon dioxide
(c) highly cooled water
(d) oxygen

ANS (B)

92. The materials which are strongly attracted by magnet are called (SSC CGL  2012)

(a) ferro-magnetic substances
(b) universal substances
(c) para-magnetic substances
(d) dia-magnetic substances

ANS (A)

93. In a pin-hole camera, we usually get (SSC CGL 2012)

(a) erect impression
(b) inverted impression
(c) erect image
(d) inverted image

ANS (B)

94. What happens to the kinetic energy of gas molecules with rise of temperature ? (SSC CGL  2012)

(a) Remains same
(b) Fluctuates
(c) Increases
(d) Decreases

ANS (C)

95. The sex of a child is determined (SSC CGL  2012)

(a) six to seven weeks after conception
(b) in the third month of pregnancy
(c) at the time of sperm’s entry
(d) at the time of fertilisation of ovum

ANS (D)

96. The food chain of the ecosystem is maintained by the activities of (SSC CGL 2012)

(a) Decomposers
(b) Predators
(c) Producers
(d) Consumers

ANS (A)

97. Which one of these primates is closest to the modern man? (SSC CGL 2012)

(a) Orang-utan
(b) Chimpanzee
(c) Gorilla
(d) Gibbon

ANS (B)

98. A gram of fertile agricultural soil may contain bacteria upto (SSC CGL 2012)

(a) five million
(b) one billion and above
(c) fifty thousand
(d) five hundred thousand

ANS (B)

99. A reduction reaction involves (SSC CGL 2012)

(a) addition of oxygen
(b) addition of nitrogen
(c) addition of hydrogen
(d) None of the above

ANS (C)

100. An antiknock for petrol is (SSC CGL 2012)

(a) Sodium hydroxide
(b) Ethanol
(c) Sodium benzoate
(d) Lead tetraethyl

ANS (D)

101. Which one of the following pairs is not correctly matched ? (SSC CGL 2012)

(a) Vitamin C - Scurvy
(b) Vitamin K - Clotting of blood
(c) Vitamin A - Night blindness
(d) Vitamin E - Rickets

ANS (D)

102. The fibre that will yield ammonia when destructively distilled is (SSC CGL 2012)

(a) Wool
(b) Cellulose acetate
(c) Cotton
(d) Silk

ANS (A)

103. During respiration, energy is derived from (SSC CGL 2012)

(a) ATP
(b) Chlorophyll
(c) RNA
(d) DNA

ANS (A)

104. When was a global network of daily temperature records created ? (SSC CGL  2012)

(a) Around 1890
(b) Around 1920
(c) Around 1800
(d) Around 1850

ANS (B)

105. Sex hormones are (SSC CGL2012)

(a) Vitamins
(b) Alkanes
(c) Carbohydrates
(d) Steroids

ANS (D)

106. A form of condensation that reduces visibility and causes breathing problems is (SSC CGL  2012)

(a) Dew
(b) Frost
(c) Smog
(d) Mist

ANS (C)

107. Green glands are associated with (SSC CGL 2012)

(a) Reproduction
(b) Excretion
(c) Respiration
(d) Digestion

ANS (B)

108. During respiration, the gases enter into the blood and leave the same by the process of (SSC CGL  2012)

(a) Active transport
(b) Diffusion
(c) Diffusion and active transport
(d) Osmosis

ANS (B)

109. Heart is devoid of (SSC CGL 2012)

(a) Cardiac muscle
(b) Involuntary muscle
(c) Voluntary muscle
(d) Smooth muscle

ANS (C)

110. The soil salinity is measured by (SSC CGL 2012)

(a) Conductivity meter
(b) Hygrometer
(c) Psychrometer
(d) Auxanometer

ANS (B)

111. Which of the following is a fungal disease? (SSC CGL  2012)

(a) Leucoderma
(b) Eczema
(c) Ringworm
(d) Elephantiasis

ANS (C)

112. Chickenpox is caused by (SSC CGL 2012)

(a) DNA virus
(b) Variola virus
(c) Streptococcus
(d) Vibrio cholerae

ANS (A)

113. Instruments can be shielded from outside magnetic effects by surrounding them with (SSC CGL 2012)

(a) Iron shield
(b) Rubber shield
(c) Brass shield
(d) Glass shield

ANS (C)

114. Find the odd one. (SSC CGL 2012)

(a) Marble
(b) Chalk
(c) Limestone
(d) Slaked lime

ANS (D)

115. The following is a pseudo-force: (SSC CGL 2012)

(a) Centrepetal force
(b) Centrifugal reaction force
(c) Centrifugal force
(d) Strong nuclear force

ANS (C)

116. The hydraulic brake used in automobiles is a direct application of (SSC CGL 2012)

(a) Archimedes’ principle
(b) Torricellean law
(c) Bernoulli’s Theorem
(d) Pascal’s law

ANS (D)

117. Amides can be converted to amines by the reaction named (SSC CGL 2012)

(a) Perkin
(b) Claisen
(c) Hoffman
(d) Clemmesen

ANS (C)

118. The base used as an antacid is (SSC CGL 2012)

(a) Calcium hydroxide
(b) Barium hydroxide
(c) Magnesium hydroxide
(d) Silver hydroxide

ANS (C)

119. A process which is not helpful in the prevention of rusting of iron is (SSC CGL  2012)

(a) annealing
(b) applying grease
(c) galvanising
(d) painting

ANS (A)

120. Denatured alcohol (SSC CGL 2012)

(a) is a form of alcohol
(b) is unfit for drinking as it contains poisonous substances
(c) contains coloured impurities
(d) is sweet to taste

ANS (B)

121. Phenolics as pollutants can be removed from waste water by use of (SSC CGL 2012)

(a) Ion exchange resin technique
(b) Electrolyte decomposition technique
(c) Reverse osmosis method
(d) Polymeric adsorbents

ANS (D)

122. The stability of a pond ecosystem depends on (SSC CGL  2012)

(a) micro-organisms and fishes
(b) micro-organisms and zoo planktons
(c) fishes and reptiles
(d) producers and consumers

ANS (D)

123. Supersonic air planes create a shock wave called (SSC CGL2012)

(a) Transition wave
(b) Ultrasound
(c) Transverse wave
(d) Sonic boom

ANS (D)

124. The danger signals are red while the eye is more sensitive to yellow because (SSC CGL  2012)

(a) absorption in red is less than yellow and hence red is visible from a distance
(b) scattering in yellow light is less than red
(c) the wavelength of red light is more than yellow light
(d) none of the above reasons

ANS (C)

125. Transboundary pollution (or) Acid rain is caused by :(SSC CGL 2013)

(a) Nitrogen oxide and sulphur dioxide
(b) Carbon monoxide
(c) Carbon dioxide
(d) Hydrocarbon

ANS (A)

126. Which of the following is an endemic species? (SSC CGL  2013)

(a) Nicobar pigeon
(b) Horn bill
(c) Indian Rhino
(d) Pink head duck

ANS (A)

127. The natural disaster in which carbon-di-oxide suddenly erupts from a deep lake water is known as __________.(SSC CGL  2013)

(a) Liminic
(b) Lacaustrine
(c) Fluvial
(d) Glacial

ANS (A)

128. Blood group was discovered by :

(a) Alexander Fleming
(b) William Harvey
(c) Landsteiner
(d) Pavlov

ANS (C)

129. Pick out the correct match : (SSC CGL 2013)

(a) Egg yolk Protein and Fat
(b) Fleshy foods Calcium and Protein
(c) Fish Starch and Vitamin
(d) Milk Fibre and Minerals

ANS (C)

130. Blood is a : (SSC CGL  2013)

(a) reproductive tissue
(b) connective tissue
(c) epithelial tissue
(d) muscular tissue

ANS (B)

131. DPT vaccine is administered to prevent diseases like : (SSC CGL 2013)

(a) Diphtheria, Pertussis and Typhoid
(b) Diphtheria, Pertussis and Tetanus
(c) Dengue, Pertussis and Typhoid
(d) Dengue, Polio and Tetanus

ANS (B)

132. The disease that has been eradicated from the world, is : (SSC CGL  2013)

(a) Small pox
(b) Leprosy
(c) Poliomyelitis
(d) Chicken pox

ANS (A)

133. In dicots the pollen grains possess : (SSC CGL  2013)

(a) one germ pore
(b) two germ pores
(c) three germ pores
(d) four germ pores

ANS (C)

134. 'Farad' is the unit of : (SSC CGL  2013)

(a) Conductnce
(b) Capacitance
(c) Inductance
(d) Resistance

ANS (B)

135. Steel is more elasitc than rubber because it : (SSC CGL  2013)

(a) is harder than rubber
(b) requires larger deforming force
(c) is never deformed
(d) is deformed very easily

ANS (D)

136. Identify the old term amongst the following group : (SSC CGL  2013)

(a) Coaxial cable
(b) Optical fibre
(c) Twisted pair wire
(d) Microwaves

ANS (B)

137. Stains of rust on clothes can be removed by : (SSC CGL 2013)

(a) H2O2
(b) Oxalic acid
(c) Petrol
(d) Alcohol

ANS (B)

138. The percentage of nitrogen present in ammonium sulphate is : (SSC CGL  2013)

(a) 18%
(b) 21%
(c) 25%
(d) 30.5%

ANS (B)

139. Ethanol containing 5% water is known as : (SSC CGL  2013)

(a) Absolute alcohol
(b) Dilute alcohol
(c) Power alcohol
(d) Rectified spirit

ANS (D)

140. The hormone used as an oral contraceptive is : (SSC CGL 2013)

(a) Aldesterone
(b) Cortisone
(c) Progesterone
(d) Testosterone

ANS (C)

141. Expand the term IPCC: (SSC CGL 2013)

(a) International Pollution Control Council
(b) International Panel of Climate Control
(c) Interim Panel of Climate Change
(d) Intergovernmental Panel on Climate Change

ANS (D)

142. Acceptable "Noise Pollution Level" in India range between: (SSC CGL 2013)

(a) 10-15 dec
(b) 16-35 dec
(c) 40-45 dec
(d) 70-100 dec

ANS (C)

143. Endosulfan spray on cashew crop resulted in the pollution to the tune of tragedy in : (SSC CGL  2013)

(a) Tamil Nadu
(b) Kerala
(c) Andhra Pradesh
(d) Karnataka

ANS (B)

144. Hypothensmia occurs due to loss of excessive heat from body due to sudden low body temperature in : (SSC CGL  2013)

(a) Snakes
(b) Frogs
(c) Human beings
(d) Lizards

ANS (C)   

145. Solids which conduct electricity at higher temperature but not at lower temperature are called (SSC CGL  2013)

(a) super-conductor
(d) metallic-conductor
(c) semi-conductor
(d) insulator

ANS (C)

146. Which one of the following has greatest mass? (SSC CGL  2013)

(a) electron
(d) proton
(c) neutron
(d) hydrogen nucleus

ANS (C)

147. A television channel is characterised by (SSC CGL 2013)

(a) frequency of transmitted signal
(b) velocity of transmitted signal
(c) physical dimension of television screen
(d) size of picture tube

ANS (A)

148. The density of water is 1 g/cc. This is strictly valid at (SSC CGL  2013)

(a) 0°C
(b) 4°C
(c) 25°C
(d) 100°C

ANS (B)

 SSC CGL EXAM 2018 Printed Study Kit

एसएससी - कर्मचारी चयन आयोग (सीजीएल) परीक्षा ​​अध्ययन सामग्री - 2018

149. The process of photosynthesis involves conversion of (SSC CGL  2013)

(a) chemical energy into radiant energy
(b) chemical energy into mechanical energy
(c) solar energy into chemical energy
(d) mechanical energy into solar energy

ANS (C)

150. A colloidal system in which a liquid is dispersed in a liquid is called. (SSC CGL 2013)

(a) gel
(b) emulsion
(c) sol
(d) precipitate

ANS (B)

151. The antiseptic compound present in dettol is (SSC CGL 2 2013)

(a) Iodine
(b) Enloroxylenol
(c) Biothional
(d) Cresol

ANS (B)

152. Genomic (DNA) studies in camel have been completed recently by the scientists of (SSC CGL 2nd Sit. 2013)

(a) South Africa
(b) India
(c) China
(d) Pakistan

ANS (C)

153. Air quality depicting PM 2.5 is more hazardous to (SSC CGL 2013)

(a) Archaeological Monuments
(b) National Parks
(c) Botanical Gardens
(d) Old Men and Women

ANS (D)

154. Piped Natural Gas (PNG) is used for (SSC CGL 2013)

(a) Mining
(b) Welding
(c) Anaesthesia
(d) Cooking

ANS (D)

155. Greenpark Stadium is in (SSC CGL 2013)

(a) Bengaluru
(b) Dehradun
(c) Chandigarh
(d) Kanpur

ANS (D)

156. Which of the following is an endangered species? (SSC CGL  2013)

(a) Black buck
(b) Blue sheep
(c) Gangetic dolphin
(d) Mithun

ANS (C)

157. Of the following man-made disasters, which is socially induced? (SSC CGL  2013)

(a) Debris Avalanche
(b) Salt Water Intrusion
(c) Arson
(d) Ozone depletion

ANS (C)

158. Which one of the following endocrine gland is situated in the neck? (SSC CGL  2013)

(a) Pancreas
(b) Thyroid
(c) Pituitary
(d) Adrenals

ANS (B)

159. The seat of intelligence is situated in the (SSC CGL 2013)

(a) cerebrum
(b) cerebellum
(c) medulla
(d) thalamus

ANS (B)

160. What is the Normal Blood Volume in human adult? (SSC CGL  2013)

(a) One litre
(b) Three litres
(c) Five litres
(d) Seven litres

ANS (C)

161. The fasting blood glucose level in adults in mg/100 ml is (SSC CGL 2013)

(a) 200
(b) 160
(c) 100
(d) 60

ANS (C)

162. Entomology is the study of (SSC CGL 2013)

(a) Birds
(b) Insects
(c) Fossils
(d) Fungi

ANS (B)

163. Exobiology is a science that deals with (SSC CGL 2013)

(a) extinct forms
(b) life in other planets
(c) life in the outer space
(d) life in marine habitat

ANS (C)

164. In radio-communication, the signals emitted by transmitting antenna are reflected on (SSC CGL  2013)

(a) stratosphere
(b) ozonosphere
(c) ionosphere
(d) troposphere

ANS (C)

165. Tiny marine animals which constitute limestone skeletons are called (SSC CGL  2013)

(a) Coral reefs
(b) Diatoms
(c) Clamitomonous
(d) Foraminifera

ANS (A)

166. Which of the following plant pigments absorbs in red and far-red region of light? (SSC CGL 2013)

(a) Phytochrome
(b) Cryptochrome
(c) Carotenoide
(d) Chlorophyll

ANS (A)

167. The process through which excess of light energy is dissipated in photosynthesis is known as(SSC CGL  2013)

(a) Photolysis
(b) Photophosphorylation
(c) Quenching
(d) Scavenging

ANS (C)

168. AIDS virus destroys (SSC CGL  2013)

(a) Neutrophils
(b) Basophils
(c) Lymphocytes
(d) Monocytes

ANS (C)

169. The device used for measuring the wavelength of X-rays is (SSC CGL 2013)

(a) Bragg Spectrometer
(b) Mass Spectrometer
(c) G. M. Counter
(d) Cyclotron

ANS (A)

170. Alpha particle is the nucleus of an atom of (SSC CGL  2013)

(a) Helium
(b) Oxygen
(c) Lithium
(d) Hydrogen

ANS (A)

171. Teeth and Bones acquire strength and rigidity from (SSC CGL 2013)

(a) Chlorine
(b) Sodium
(c) Calcium
(d) Fluorine

ANS (C)

172. The type of tail found in Shark is (SSC CGL  2013)

(a) Heterocercal
(b) Diphycercal
(c) Protocercal
(d) Homocercal

ANS (A)

173. The Sigmoid Colon is part of (SSC CGL 2013)

(a) Large Intestine
(b) Ileum
(c) Small Intestine
(d) Anal Canal

ANS (A)

174. A good conductor while carrying current is (SSC CGL 2013)

(a) positively charged
(b) electrically neutral
(c) alternately charged positive and negative
(d) negatively charged

ANS (D)

175. Coating of solid waste with imperviouos material is known as (SSC CGL  2013)

(a) Landfill
(b) Capping
(c) Encapsulation
(d) Chemical fixation

ANS (C)

176. Ultraviolet rays can be used in water treatment as (SSC CGL 2013)

(a) Hydrolyser
(b) Disinfectant
(c) Flocculator
(d) Precipitator

ANS (B)

177. Thiamidine dimer formation in DNA is caused by (SSC CGL 2013)

(a) b and g-rays
(b) UV-rays
(c) IR-rays
(d) X-rays

ANS (B)

178. Silicone is a polymer of (SSC CGL 2013)

(a) Dialkyl dichloro silane
(b) Silane
(c) Tetraalkyl silane
(d) Silicon tetrachloride

ANS (A)

179. Which is a natural colloid? (SSC CGL 2013)

(a) Cane-sugar
(b) Blood
(c) Sodium chloride
(d) Urea

ANS (B)

180. Which one of the following does not contain Silver? (SSC CGL 2013)

(a) German Silver
(b) Horn Silver
(c) Ruby Silver
(d) Lunar Caustic

ANS (A)

181. The presence of Cobalt in Vitamin B12 was established for the first time by (SSC CGL 2013)

(a) Borax-Bead test
(b) Sodium Nitroprusside test
(c) Hydrolysis test
(d) Spectroscopy

ANS (D)

182. Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills? (SSC CGL  2013)

(a) Clostridium
(b) Nitrosomonas
(c) Pseudomonas
(d) Agrobacterium

ANS (B)

183. Reduction of nitrates to ammonia can be achieved through one of the following methods : (SSC CGL 2013)

(a) in alkaline medium using Devarda’s alloy.
(b) in neutral medium using Devarda’s alloy.
(c) in acidic medium using Devarda’s alloy.
(d) in neutral medium using Cupric oxide.

ANS (A)

184. Grits of sewage are removed in (SSC CGL  2013)

(a) Grit chamber
(b) Detritus tank
(c) Skimming tank
(d) Trickling filter

ANS (A)

185. The most affected sulphur containing amino acid by PAN is (SSC CGL 2013)

(a) Cysteine
(b) Methonine
(c) Proline
(d) Globuline

ANS (A)

186. Which of the following has zero electron affinity ? (SSC CGL 2013)

(a) Oxygen
(b) Fluorine
(c) Nitrogen
(d) Neon

ANS (D)

187. The human body’s largest blood vessel is (SSC CGL 2013)

(a) Pulmonary artery
(b) Aorta
(c) Renal artery
(d) Coronary artery

ANS (B)

188. In human body, which one of the following hormones regulates blood calcium and phosphate ? (SSC CGL  2013)

(a) Glucagon
(b) Growth hormone
(c) Parathyroid hormone
(d) Thyroxine

ANS (C)

189. How do most insects respire ? (SSC CGL  2013)

(a) Through skin
(b) Through gills
(c) By tracheal system
(d) By lungs

ANS (C)

190. In nuclear reactions, there is conservation of (SSC CGL 2013)

(a) mass only
(b) momentum only
(c) energy only
(d) mass, energy and momentum

ANS (C)

191. When a particle and an antiparticle come in contact with each other, they (SSC CGL 2013)

(a) repell each other
(b) annihilate each other
(c) go undisturbed
(d) spin about a common axis

ANS (B)

192. Photoelectric effect is (SSC CGL 2013)

(a) an instantaneous process
(b) delayed process
(c) emission of protons
(d) emission of neutrons

ANS (A)

193. For a particle moving with a constant speed along a straight line PQ, the hodograph is (SSC CGL  2013)

(a) a straight line parallel to PQ
(b) a straight line perpendicular to PQ
(c) a point
(d) a circle

ANS (D)

194. Aluminium is obtained by the electrolysis of pure Al2O3 dissolved in (SSC CGL  2013)

(a) Bauxite
(b) Cryolite
(c) Feldspar
(d) Alumina

ANS (B)

195. Complete hydrolysis of cellulose gives (SSC CGL 2013)

(a) D-fructose
(b) L-glucose
(c) D-glucose
(d) L-fructose

ANS (C)

196. Each body segment of Earthworm is called (SSC CGL  2013)

(a) Proglottid
(b) Metamere
(c) Scolex
(d) Rostellum

ANS (B)

197. The pollutants which move downward with percolating ground water are called (SSC CGL 2013)

(a) Leachates
(b) Pollutates
(c) Earthites
(d) Percolates

ANS (A)

198. Lungs are located in the (SSC CGL  2013)

(a) abdominal cavity
(b) pericardial cavity
(c) peritoneal cavity
(d) pleural cavity

ANS (D)

199. Which one of the following is the ideal food for newborn babies? (SSC CGL  2013)

(a) Water
(b) Sugar
(c) Honey
(d) Milk

ANS (D)

200. Transcription means the synthesis of (SSC CGL  2013)

(a) Lipids
(b) Protein
(c) DNA
(d) RNA

ANS (C)

201. Hydrochloric acid is secreted by the cells lining the (SSC CGL 2013)

(a) Oral cavity
(b) Stomach
(c) Ileum
(d) Colon

ANS (B)

202. Emulsification is (SSC CGL 2013)

(a) breaking fats into small globules
(b) digestion of fats
(c) absorption of fats
(d) storage of fats

ANS (A)

203. Taxonomy is a science that deals with (SSC CGL 2013)

(a) Morphology
(b) Anatomy
(c) Classification
(d) Economic uses

ANS (C)

204. Which of the following is responsible for the working of Newton's colour disc experiment? (SSC CGL  2013)

(a) Formation of pure spectra
(b) Formation of impure spectra
(c) Persistence of vision
(d) Principle of complementary colour

ANS (C)

205. The dimension MLT–2 corresponds to (SSC CGL 1st  2013)

(a) force
(b) work done
(c) acceleration
(d) velocity

ANS (A)

206. Who is the founder of quantum theory of radiation? (SSC CGL 2013)

(a) Einstein
(b) Bohr
(c) Plank
(d) S.N. Bose

ANS (C)

207. Fiber optics cable used in communication, works on the principle of (SSC CGL 2013)

(a) regular reflection of light
(b) diffuse reflection of light
(c) refraction of light
(d) total internal reflection of light

ANS (D)

208. The outer skin most of the crustaceans are made up of a carbohydrate. This carbohydrate is (SSC CGL  2013)

(a) cellulose
(b) galactose
(c) chitin
(d) starch

ANS (C)

209. Rutherford's scattering experiment proved the presence of (SSC CGL 2013)

(a) atoms in all matter
(b) electrons in atoms
(c) neutrons in atoms
(d) nucleus in atoms

ANS (D)

210. When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy state, they emit light, which we can observe in (SSC CGL  2013)

(a) Raman spectra
(b) Absorption spectra
(c) Emission spectra
(d) Fluorescence

ANS (C)

211. Blood pressure may be increased by the excessive secretion of (SSC CGL 2013)

(a) Thyroxine
(b) Testosterone
(c) Estradiol
(d) Estrol

ANS (A)

212. The Concept of 'Green House Gases" was postulated by (SSC CGL  2013)

(a) Joseph Furier
(b) Abdul Kalam
(c) M. S. Swaminathan
(d) Richael Carlson

ANS (A)

213. "Bhopal gas tragedy" 1984 is related to (SSC CGL 2013)

(a) Aluminium Phosphide
(b) Methyl bromide
(c) Methyl isocyanate
(d) Carbon dioxide

ANS (C)

214. The Particulate Matter (PM–10) exhaled from the polluted atmosphere is often filtered out during the process of (SSC CGL 2013)

(a) Coughing
(b) Sneezing
(c) A and B
(d) Urination

ANS (B)

215. The animal who can consume more salt among the following is (SSC CGL 2013)

(a) Sheep
(b) Camel
(c) Donkey
(d) Dog

ANS (B)

216. Cactus is referred to as (SSC CGL 2014)

(a) Hydrophyte
(b) Mesophyte
(c) Xerophyte
(d) Epiphyte

ANS (C)

217. Which of the following is not a renewable resource? (SSC CGL 2014)

(a) Thorium
(b) Geothermal heat
(c) Tidal power
(d) Radiant energy

ANS (A)

218. How many neck canal cells are found in the archegonium of a fern? (SSC CGL 2014)

(a) One
(b) Two
(c) Three
(d) Four

ANS (A)

219. Which angiosperm is vesselless? (SSC CGL 2014)

(a) Hydrilla
(b) Trochodendron
(c) Maize
(d) Wheat

ANS (B)

220. Who was the first child born after operative procedure? (SSC CGL 2014)

(a) Caesar
(b) Huxley
(c) William
(d) Pasteur

ANS (A)

221. Myrmecology is study of (SSC CGL 2014)

(a) Insects
(b) Ants
(c) Crustaceans
(d) Arthropods

ANS (B)

222. HIV often changes is shapes due to the presence of an enzyme called (SSC CGL 2014)

(a) Reverse Transcriptase
(b) Enterokinase
(c) Nucleotidase
(d) Nucleoditase

ANS (A)

223. Fleming's right hand rule is used to find the direction of the (SSC CGL 2014)

(a) Alternate current
(b) Direct current
(c) Induced current
(d) Actual current

ANS (C)

224. The unit of electrical power is (SSC CGL 2014)

(a) Volt
(b) Watt
(c) Kilowatt hour
(d) Ampere

ANS (B)

225. The resistance of the human body (dry condition) is of the order of (SSC CGL 2014)

(a) 101Ohm
(b) 102Ohm
(c) 103Ohm
(d) 104Ohm

ANS (D)

226. Certain substances loose their electrical resistance completely at super low temperature. Such substances are called (SSC CGL 2014)

(a) super conductors
(b) semi conductors
(c) dielectrics
(d) perfect conductors

ANS (A)

227. The section of the CPU that selects, interprets and monitors the execution of program instructions is (SSC CGL 2014)

(a) Memory
(b) Register unit
(c) Control unit
(d) ALU

ANS (C)

228. Brass contains (SSC CGL 2014)

(a) Copper and Zinc
(b) Copper and Tin
(c) Copper and Silver
(d) Copper and Nickel

ANS (A)

229. Which is the purest commercial form of iron? (SSC CGL 2014)

(a) Pig iron
(b) Steel
(c) Stainless steel
(d) Wrought iron

ANS (D)

230. In galvanization, iron is coated with (SSC CGL 2014)

(a) Copper
(b) Zinc
(c) Tin
(d) Nicked

ANS (B)

231. Which one of the following is also known as solution? (SSC CGL 2014)

(a) A compound
(b) A homogeneous mixture
(c) A heterogeneous mixture
(d) A suspension

ANS (B)

232. The cells which are closely associated and interacting with guard cells are (SSC CGL 2014)

(a) Transfusion tissue
(b) Complementary cells
(c) Subsidiary cells
(d) Hypodermal cells

ANS (C)

233. Conversion of starch to sugar is essential for (SSC CGL 2014)

(a) Stomatal opening
(b) Stomatal closing
(c) Stomatal formation
(d) Stomatal growth

ANS (A)

234. Which of the following Genetically Modified vegetable is recently being made available in Indian market? (SSC CGL 2014)

(a) Carrot
(b) Radish
(c) Brinjal
(d) Potato

ANS (C)

235. Electric current is measured using which of the following instrument ? (SSC CGL  2015)

(a) Voltmeter
(b) Anemometer
(c) Wattmeter
(d) Ammeter

ANS (D)

236. Photoperiodisrn affects (SSC CGL  2015)

(a) Flowering
(b) Vegetative growth
(c) Fruiting
(d) All of these

ANS (D)

237. Match the following : (SSC CGL  2015)
I II
A. Ascorbic acid 1. Photosynthetic pigment
B. Chlorophyll 2. Quencher
C. Carotenoid 3. Enzyme
D. Superoxide 4. Vitamin–C
dismutase

A B C D

(a) 4 2 1 3
(b) 2 4 1 3
(c) 4 1 3 2
(d) 4 1 2 3

ANS (D)

238. Allantois of Embryo helps in (SSC CGL  2015)

(a) respiration
(b) excretion
(c) protection
(d) digestion

ANS (

239. Which one of the following animals belongs to mollusca ? (SSC CGL  2015)

(a) Hare
(b) Hydra
(c) Hyla
(d) Haliotis

ANS (D)

240. Outside the nucleus DNA is found in (SSC CGL 2015)

(a) Mitochondria
(b) Ribosome
(c) Endoplasmic reticulum
(d) Golgi bodies

ANS (A)

241. Animal protein is called first class protein because it is (SSC CGL 2015)

(a) delicious in taste
(b) cheaper in the market
(c) rich in essential amino acids
(d) easily digestible

ANS (C)

242. It is easy to burst a gas filled balloon with a needle than with a nail. It is because (SSC CGL 2015)

(a) nail exerts more pressure than needle on the balloon
(b) needle exerts more pressure than nail on the balloon
(c) gas is reactive with the needle
(d) nail is more longer than needle

ANS (B)

243. The velocity of sound in moist air is more than in dry air because the moist air has (SSC CGL  2015)

(a) less pressure than dry air
(b) more pressure than dry air
(c) more density than dry air
(d) less density than dry air

ANS (C)

244. X–rays can be used (SSC CGL  2015)

(a) to detect heart diseases.
(b) to detect defects in precious stones and diamonds.
(c) to detect gold under the earth.
(d) for cutting and welding of metals.

ANS (B)

245. Ice is packed in saw dust because (SSC CGL  2015)

(a) saw dust is poor conductor of heat.
(b) saw dust is a good conductor of heat.
(c) saw dust does not stick to the ice.
(d) saw dust will not get melted easily.

ANS (A)

246. What happens when a drop of glycerol is added to crushed KMnO4 spread of a paper ? (SSC CGL 2015)

(a) There is a violent explosion
(b) There is no reaction
(c) The paper ignites
(d) There is a crackling sound.

ANS (A)

247. Most commonly used bleaching agent is (SSC CGL  2015)

(a) Alcohol
(b) Carbon dioxide
(c) Chlorine
(d) Sodium chloride

ANS (C)

248. The least penetrating power ray is (SSC CGL  2015)

(a) a–Ray
(b) b–Ray
(c) g–Ray
(d) X–Ray

ANS (A)

249. Hydrogen peroxide is an effective sterilizing agent. Which one of the following product results when it readily loses active oxygen ? (SSC CGL 1st Sit. 2015)

(a) Water
(b) Hydrogen
(c) Ozone
(d) Nasant Hydrogen

ANS (A)

250. The maximum fixation of solar energy is done by (SSC CGL 2015)

(a) Bacteria
(b) Fungi
(c) Green plants
(d) Protozoa

ANS (C)

251. The term 'brown air' is used for (SSC CGL  2015)

(a) Photochemical smog
(b) Sulfurous smog
(c) Industrial smog
(d) Acid fumes

ANS (A)

252. Peroxyacetyl nitrate is a (SSC CGL  2015)

(a) Plant hormone
(b) Vitamin
(c) Secondary pollutant
(d) Acidic dye

ANS (C)

253. Which of the following particles has the dual nature of particle–wave ? (SSC CGL 2015)

(a) Neutron
(b) Electron
(c) Meson
(d) Proton

ANS (B)

254. The metal ion present in vitamin B12 is :(SSC CGL  2015)

(a) nickel
(b) cobalt
(c) iron
(d) zinc

ANS (B)

255. Who of the following has given the term rhizosphere : (SSC CGL 2015)

(a) Alexopolus
(b) Garret
(c) Hiltner
(d) None of the given options

ANS (D)

256. Reverse transcription was discovered by :(SSC CGL 2015)

(a) Beadle and Tatum
(b) Watson and Crick
(c) Temin and Baltimore
(d) Har Govind Khorana

ANS (C)

257. Burns caused by steam are much more severe than those caused by boiling water because: (SSC CGL 2015)

(a) Steam pierces through the pores of body quickly
(b) Temperature of steam is higher
(c) Steam is gas and engulfs the body quickly
(d) Steam has latent heat

ANS (D)

258. Which among the following is the sweetest sugar? (SSC CGL 2015)

(a) lactose
(b) maltose
(c) glucose
(d) fructose

ANS (C)

259. Ultra purification of a metal is done by : (SSC CGL  2015)

(a) smelting
(b) leaching
(c) zone melting
(d) slagging

ANS (C)

260. Microbial degradation of nitrates into atmospheric nitrogen is known as : (SSC CGL  2015)

(a) Ammonification
(b) Denitrification
(c) Putrefacation
(d) Nitrifcation

ANS (B)

261. The best milch breed in the world is : (SSC CGL  2015)

(a) Deoni
(b) Holstein – Friesian
(c) Sindhi
(d) Chittagong

ANS (B)

262. Muddy water is treated with alum in purification process, it is termed as : (SSC CGL  2015)

(a) absorption
(b) adsorption
(c) coagulation
(d) emulsification

ANS (C)

263. An enzyme produced by HIV that allows the integration of HIV DNA into the host cell's DNA is: (SSC CGL 2015)

(a) DNA gyrase
(b) Ligase
(c) Integrase
(d) Helicase

ANS (C)

264. The two specific heats of gases are related by : (SSC CGL 2015)

(a) Cp/ Cv= R
(b) Cp– Cv= RJ
(c) Cp– Cv= R/J
(d) Cp+ Cv= RJ

ANS (B)

265. The antibiotic penicillin is obtained from which of the following ? (SSC CGL  2016)

(a) synthetic process
(b) a bacterium
(c) fungus
(d) virus infected cells

ANS (D)

266. Which of the following is indicated by the colour of a star ? (SSC CGL  2016)

(a) weight
(b) distance
(c) temperature
(d) size

ANS (C)

267. Atomic number of an atom gives the number of which of the following ? (SSC CGL  2016)

(a) electrons
(b) protons
(c) neutrons
(d) neutrons and protons

ANS (A)

268. DPT vaccine is categorized as which of the following ? (SSC CGL 2016)

(a) Anti viral vaccine
(b) Anti protozoan vaccine
(c) Anti rickettsial vaccine
(d) A combined vaccine

ANS (D)

269. Which is the highest quality of hard coal? (SSC CGL 12016)

(a) Anthracite
(b) Bituminous
(c) Lignite
(d) Peat

ANS (A)

270. For which one of the following, ‘Diodes’ are generally used for? (SSC CGL  2016)

(a) Rectification
(b) Amplification
(c) Modulation
(d) Filtration

ANS (A)

271. An anemometer measures which of the following ? (SSC CGL 2016)

(a) Speed of light
(b) Speed of wind
(c) Speed of water current
(d) Speed of satellites

ANS (B)

272. Which cell disorder in our body is responsible for colour blindness? (SSC CGL  2016)

(a) WBC
(b) Cone cell
(c) Rod Cell
(d) Neuron

ANS (B)

273. Which one of the following forms the base of vegetable fibres? (SSC CGL  2016)

(a) Cellulose
(b) Proteins
(c) Fats
(d) Oils

ANS (A)

274. A particle is thrown vertically upward. When it reaches the highest point, it has __________. (SSC CGL 2016)

(a) a downward acceleration
(b) an upward acceleration
(c) a downward velocity
(d) a horizontal velocity

ANS (A)

275. During fermentation of sugar, the compound which is always formed is (SSC CGL  2016)

(a) Methyl Alcohol
(b) Ethyl Alcohol
(c) Acetic Acid
(d) Ethylene

ANS (B)

276. The quality or tone of a musical sound produced by a stringed instrument depends on (SSC CGL 2016)

(a) frequency of vibration
(b) length of the strings in the instrument
(c) Amplitude of vibration
(d) waveform of the sound

ANS (D)

277. Removal of carbon particles from air involves the principle of (SSC CGL 2016)

(a) Precipitation
(b) Filteration
(c) Electrophoresis
(d) Sedimentation

ANS (C)

278. Which light is least effective in photosynthesis? (SSC CGL  2016)

(a) Blue light
(b) Green light
(c) Red light
(d) Sunlight

ANS (B)

279. Which of the following acts as best adsorbent? (SSC CGL  2016)

(a) Charcoal
(b) Activated Charcoal
(c) Activated Coconut Charcoal
(d) Carbon black

ANS (C)

280. The maximum fixation of solar energy is done by (SSC CGL  2016)

(a) Bacteria
(b) Protozoa
(c) Fungi
(d) Green plants

ANS (D)

281. 'Parsec' is the unit measurement of (SSC CGL 2016)

(a) Density of stars
(b) Astronomical distance
(c) Brightness of heavenly bodies
(d) Orbital velocity of giant stars

ANS (B)

282. At room temperature, the metal that remains liquid is: (SSC CGL  2016)

(a) Mercury
(b) Platinum
(c) Lead
(d) Zinc

ANS (A)

283. Which is known as carbolic acid? (SSC CGL 2016)

(a) Phenol
(b) Ethanol
(c) Acetic acid
(d) Oxalic acid

ANS (A)

284. Which one of the following substances is normally found in urine? (SSC CGL  2016)

(a) Blood proteins
(b) Creatinine
(c) Red blood cells
(d) White blood cells

ANS (B)

285. The thymus gland produces a hormone called (SSC CGL 2016)

(a) thyroxine
(b) thymosin
(c) thyronine
(d) calcitonin

ANS (B)

286. Blood group AB has (SSC CGL 2016)

(a) No antigen
(b) No antibody
(c) Neither antigen nor antibody
(d) Both antigen and antibody

ANS (B)

287. Which vitamins are those, if taken in excess can be dangerous as they are stored in the body? (SSC CGL 2016)

(a) B Complex
(b) E and C
(c) B and C
(d) A and D

ANS (D)

288. Atomic explosion is triggered by (SSC CGL  2016)

(a) thermo nuclear reaction
(b) chemical reaction
(c) controlled chain reaction
(d) uncontrolled chain reaction

ANS (D)

289. The phenomenon of change in direction of light when it passes from one medium to another is called (SSC CGL 2016)

(a) Propagation
(b) Reflection
(c) Refraction
(d) Dispersion

ANS (C)

290. When ice cubes are made, the entropy of water (SSC CGL 2016)

(a) does not change
(b) decreases
(c) increases
(d) may either increase or decrease depending on the process used

ANS (B)

291. Two vectors are said to be equal if (SSC CGL  2016)

(a) only their magnitudes are same
(b) only their directions are same
(c) both magnitude and direction are same
(d) magnitudes are same but directions are opposite

ANS (C)

292. The chemical component that is invariably found in all viruses is (SSC CGL  2016)

(a) proteins
(b) lipids
(c) DNA
(d) RNA

ANS (A)

293. Which is used as an Air pollution indicator? (SSC CGL 2016)

(a) Algae
(b) Fungi
(c) Bacteria
(d) Lichens

ANS (D)

294. Salination of soil is caused by (SSC CGL  2016)

(a) Pesticides
(b) soil erosion
(c) excess irrigation
(d) crop rotation

ANS (C)

295. Which enzyme digests proteins in the stomach? (SSC CGL 2016)

(a) Trypsin
(b) Pepsin
(c) Salivary amylase
(d) Pancreatic canal

ANS (B)

296. Fermentation is a type of _____ _______ process.(SSC CGL 2016)

(a) Aerobic Respiration
(b) Anaerobic Respiration
(c) Exothermic Reaction
(d) Transpiration

ANS (B)

 SSC CGL EXAM 2018 Printed Study Kit

एसएससी - कर्मचारी चयन आयोग (सीजीएल) परीक्षा ​​अध्ययन सामग्री - 2018