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50 Multiple Choice Questions (MCQ) on General Science

Multiple Choice Questions (MCQ) related to General Science are asked in General Awareness question paper in various competitive examinations conducted by SSC, UPSC, PSC, LIC, GIC, Railways, IBPS, etc. The main objective of these questions is to test the candidate's knowledge in General Science. For this purpose we have provided study materials related to General Science in the TO THE POINT section. Candidates may visit this link GK Study Materials to enhance their knowledge in this area.

Candidates who wants to test their preparation in the topic General Science we have provided below 50 Multiple Choice Objective Questions (MCQ) on General Science.

Model Test Paper-2

51) Benzene cannot undergo
A) Addition
B) Elimination
C) Oxidation
D) Substitution

52) Bio-Diesel is mostly produced by ?
A) Euphorbiaceae
B) Liliaceae
C) Myrtaceae
D) Malvaceae

53) Bleaching powder is made from:
A) Sulphur dioxide and gypsum
B) Chlorine and Charcoal
C) Soda ash and lime
D) Lime and Chlorine

54) Bleaching powder is used in drinking water as a/an?
A) antiseptic
B) coagulant
C) disinfectant
D) antibiotic

55) Blood cancer is commonly known as
A) Leucoderma
B) Leukaemia
C) Haemophilia
D) Sickle-cell anaemia

56) Blood fails to clot while flowing in the blood vessel because of the presence of?
A) Haemoglobin
B) Bile
C) Heparin
D) Prothrombin

57) Branch of Biology which deals with extinct organisms
A) Palynology
B) Phylogeny
C) Palaeobotany
D) Palaeontology

58) Brass gets discoloured in air due to the presence of which gas in air:
A) Carbon dioxide
B) Oxygen
C) Hydrogen Sulphide
D) Nitrogen

59) Bromine is:
A) Colourless gas insoluble in water
B) A highly inflammable gas
C) A Black solid
D) A red liquid

60) Bronze is an alloy of
A) Copper and Zinc
B) Tin and Zinc
C) Copper and Tin
D) Iron and Zinc

61) Bryophytes are often called as amphibian plants because they
A) are found both in water and on land
B) do not have habitat preference
C) can eat insects
D) appear like frog

62) Carbohydrates are the compounds of:
A) Carbon and hydrogen
B) Carbon, oxygen and hydrogen
C) Carbon, oxygen, hydrogen and nitrogen
D) Carbon, nitrogen and hydrogen

63) Carborandum is:
A) Silicon Dioxide
B) Silicon Carbide
C) Silicon Nitride
D) Silicon Phosphide

64) Caustic Soda is:
A) NaCl
B) Na2CO3

65) Cell theory was propounded by?
A) Robert Hooke
B) William Harvey
C) Schleiden and Schwann
D) R.Virchow

66) Chemical formula of Water glass is:
A) Na2SiO3
B) Al2O3
C) NaAlO2
D) CaSiO3

67) Cholera Bacillus was discovered by?
A) Robert Koch
B) Joseph lister
C) Ronald Ross
D) Louis Pasteur

68) Chromosomes are?
A) the biggest in number in human cells
B) present only in the nucleus of a cell
C) visible in all cells at every time
D) made up of DNA as a main component

69) Citrus fruits are considered a rich source of which vitamin ?
A) Vitamin A
B) Vitamin D
C) Vitamin B
D) Vitamin C

70) Coastal Andhra Pradesh and Odisha often face natural disasters due to
A) Cyclones
B) Earthquakes
C) Landslides
D) Tornadoes

71) Combustion is the process in which:
A) Heat is produced
B) Light is produced
C) Heat and Light is produced
D) None of these

72) Contact lenses are made from?
A) Polystyrene
B) Lucite
C) Polyvinyl chloride
D) Teflon

73) Cooking oil can be converted into vegetables ghee by the process of:
A) Oxidation
B) Hydrogenation
C) Distillation
D) Crystallisation

74) Cotton fibers are made of:
A) cellulose
B) starch
C) proteins
D) fats

75) Coupling and repulsion are the two states of
A) crossing over
B) linkage
C) chiasma
D) mutation

76) Cow milk is a rich source of:
A) Vitamin A
B) Vitamin B1
C) Vitamin C
D) Vitamin D

77) Crescograph, a device for measuring growth in plants, was invented by which Indian scientist?
A) Jagadish Chandra Bose
B) Meghnad Saha
C) Satyendra Nath Bose
D) M. Swaminathan

78) Crossing-over occurs during
A) Leptotene
B) Zygotene
C) Pachytene
D) Diplotene

79) Crude oil is sometimes termed as sweet because it is
A) mildly sweet due to low sulphur content
B) less acidic
C) less alkaline
D) sweet in taste due to dissolved sugars

80) Dactylogram is related with
A) finger print
B) teleprinter
C) perumbulator
D) cereals

81) Damping off of seedlings is caused by
A) Peronospola parasitica
B) Albugo Candida
C) Phytophthora infestants
D) Phythium debaryanum

82) Dead organs are generally stored in formalin. Formalin is?
A) aqueous formaldehyde
B) aqueous formic acid
C) aqueous ferric alum
D) aqueous ferrous sulphate

83) Decibel unit is used to measure?
A) Sound intensity
B) Light intensity
C) Magnitude of Earthquake
D) None of these

84) Deep blue colour is imparted to glass by the presence of:
A) Iron oxide
B) Cupric oxide
C) Nickel oxide
D) Cobalt oxide

85) Deficiency of which vitamin leads to 'Rickets' (softening of bones) ?
A) Vitamin D
B) Vitamin A
C) Vitamin C
D) Vitamin B

86) Diamond is harder than graphite because of:
A) Difference of layers of atoms
B) Tetrahedral structure of diamonds
C) Difference of crystaline structures
D) None of these

87) Dry ice is:
A) Ice which never melts
B) A term used for insensitive persons
C) Solid carbon dioxide
D) Frozen heavy water

88) Due to its ability to dissolve glass, which acid is not kept in glass container ?
A) Hydrofluoric Acid
B) Hydrochloric Acid
C) Sulphuric Acid
D) Nitric Acid

89) During burnings of fuels, carbon and hydrogen present in the fuels are:
A) Converted into carbon dioxide and water vapour
B) Released into the atmosphere
C) Absorbed by the surroundings
D) Converted into alkanes

90) Edward Jenner is associated with
A) Cholera
B) Typhoid
C) Small Pox
D) Paralysis

91) Electrostatic precipitator is used to control?
A) Radio-active Pollutants
B) Air Pollutants
C) Water Pollutants
D) Chemical Pollutants

92) Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains
A) small current carrying wire
B) a narrow tube containing water
C) optical fibre
D) a narrow tube containing some chemical solution

93) Environmental pollution can be controlled by?
A) Sewage Treatments
B) Checking Atomic Blasts
C) Manufacturing Electrical Vehicles
D) All of these

94) Enzymes are
A) Carbohydrates
B) Biological Catalysts
C) Fats
D) None of these

95) Epoxy resins is used as:
A) Moth repellants
B) Insecticides
C) Detergents
D) Adhesives

96) Essential oils contain
A) Alkaloids
B) Terpenoids
C) Porpoise
D) Steroids

97) Excess amount of absorbed water by plants is liberated out by?
A) Diffusion
B) Transpiration
C) Osmosis
D) Evaporation

98) Excretion in Hemichordates takes place by
A) Glomerulus
B) Pronephron
C) Mesonephron
D) Metanephron

99) Fixation of nitrogen means:
A) Manufacture of nitrogen
B) Liquefication of nitrogen
C) Conversion of nitrogen into nitric acid
D) Conversion of atmospheric nitrogen into useful compounds

100) Flowerless plants are termed as ?
A) Phanerogams
B) Cryptogams
C) Thallophytes
D) Bryophytes