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General Science MCQ Questions and Answers for competitive exams

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General Science MCQ Questions and Answers for competitive exams UPSC IAS Prelims, SSC CGL, CHSL,UGC NET, bank exams , Entrance exams test Online Quiz practice Questions Practice

General Science gk Questions and Answers

61.
The biological decomposition of organic substances in wastes under controlled conditions known as

a
incineration
b
sanitary landfill
c
pyrolysis
d
composting
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62.
Of all micro-organisms, the most adaptable & versatile are

a
Fungi
b
Algae
c
Bacteria
d
Viruses
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63.
BCG vaccine is used against

a
Food poisoning
b
Leprosy
c
None of the above
d
Tuberculosis
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64.
Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in

a
Conduction
b
Radiation
c
Both conduction & convection
d
Convection
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65.
Kwashiorkor and beriberi are

a
none of these
b
deficiency diseases
c
infectious diseases
d
communicable diseases
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66.
In a food chain, the solar energy utilized by plants is only

a
0.1 per cent
b
10 per cent
c
0.01 per cent
d
1 per cent
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67.
Mushroom cultivation is not useful in

a
Preventing cancer
b
Biological control of crop diseases
c
Recycling of agricultural wastes
d
Biogas production
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68.
'Slipper animalcule' is the common name for:

a
Plasmodium
b
Trypanosoma
c
Monocystis
d
Paramecium
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69.
Dormancy period of animals during winter season is called:

a
Aestivation
b
Hibernation
c
Regeneration
d
Mutation
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70.
White blood corpuscles in the human body have a diameter of approximately

a
0.07 mm
b
0.0007 mm \"
c
0.007 mm""
d
0.7 mm"""
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71.
A man receives his X-chromosome from

a
his mother only
b
his father only
c
either his mother or his father
d
both his mother and father
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72.
Total number of muscles present in our body is:

a
656
b
565
c
556
d
665
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73.
Jaundice is a disease which affects

a
Heart
b
Gall bladder
c
Liver
d
Spleen
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74.
From which one of the following is quinine extracted -

a
Cinchona
b
Datura
c
Sarpagandha
d
Opium
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75.
Anglo-Nubian is a breed of:

a
cattle
b
goat
c
poultry
d
sheep
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