UPSC CDS II Exam study material | previous year model question papers with answers pdf free download | www.upsc.gov.in

UPSC CDS II Exam study material free download pdf free download | Aptitude tricks and tips, UPSC CDS II Exam objective type questions model question paper with answer pdf free download

Reserprine derived from the plant ‘Serpentina’ is used to
A. Alleviate pains
B. Alleviate high blood pressure
C. Alleviate low blood pressure
D. Cure rickets

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Incidence of Malaria increases because
A. The mosquitoes have become DDT resistant
B. Of poverty
C. Of poor sanitary conditions
D. On account of increase in population it has become impossible to maintain cleanliness everywhere

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Less dew is formed on cloudy nights because
A. Clouds absorb the falling dew
B. Clouds scatter moisture
C. In cloudy nights the radiation takes place very slowly
D. In cloudy nights the radiation takes place very quickly

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Feeding of milk cattle with cotton seeds
A. Increases fat content temporarily
B. Decreases fat content temporarily
C. May decrease or increase fat content
D. Causes no change in fat content

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Mouth and foot diseases in cattle are caused due to
A. Bacteria
B. Virus
C. Fungi
D. Penicillium

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A body partially floats in wafer when
A. The volume of the displaced liquid is equal to the volume of the body
B. The volume of the displaced liquid is greater than the volume of the body
C. The weight of the displaced water is equal to the weight of the body
D. The weight of the displaced water is greater than the weight of the body

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Permanent hardness of water cannot be removed by
A. Boiling
B. Adding caustic soda
C. Distillation
D. Adding soda

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In summer, man with excess perspiration feels weak, because of the
A. Loss of more water through evaporation
B. Loss of salts through evaporation
C. Loss of carbohydrates through evaporation
D. All factors mentioned above

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The two branches of a plant give two different fruits : tomatoes and brinjals. This can be explained
A. By hybridisation
B. By grafting one with the other
C. By nature’s freak
D. By (A) or (C) mentioned above

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The density of sea water is highest as
A. Depth increases and salinity increases
B. Depth decreases and salinity increases
C. Depth increases and salinity decreases
D. Depth decreases and salinity decreases

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