SSC CGL TOPIC WISE QUESTION PAPER : GENERAL SCIENCE
SSC CGL TOPIC WISE QUESTION PAPER : GENERAL SCIENCE
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)
