08th October, 2016 (Prelims)

Revise 10 questions everyday from Prelims Past Papers (2015 to 1979)

If not satisfied with the answers, please search the internet for correct answers & mention the correct answer in the comments section. Our aim is to make you revise these questions. Answer keys of reputed IAS institutes are referred)

Todays 10 questions from 1993 GS-1 Prelims Paper [Questions 111 to 120]

For previous questions refer yesterday’s post.

Q111 Though a few (gas-based) industries have already been established good reserves of natural gas in India remain unutilised. This vast resource of natural gas can be used in the production of

(a) fertilizers

(b) carbide

(c) graphite

(d) synthetic petroleum

 

Q112 Assertions (A) : A mixture of salt and ice gives temperature below 0°C.

Reason (R) : The salt raises the freezing point of ice.

In the context of the above two statements, which one of the following is correct?

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and Rare true but R is NOT the correct explanation of A

(c) A is true but R is false

(d) A is false but R is true

 

Q113 Vinegar is an aqueous solution of

(a) oxalic acid

(b) citric acid

(c) acetic acid

(d) hydrochloric acid

 

Q114 The theory of ‘jumping genes’ was propounded by

(a) Gregor Johann Mendel

(b) Thomas Hunt Morgan

(c) Barbara McClintock

(d) Watson and Crick

 

Q115 Sucrose content in sugarcane decreases

(a) if high rainfall occurs during the period of growth of the plant

(b) if frost occurs during the period of ripening

(c) if there is fluctuation in temperature during the period of growth of the plant

(d) if there is high temperature during the time of ripening

 

Q116 Which one of the following is a man made” cereal NOT found in nature?

(a) Dwarf wheat

(b) Hybrid maize

(c) Triticale

(d) Soya bean

 

Q117 Sugarcane, sugarbeet, sweetpea, chickpea, pigeonpea and French bean belong to

(a) two plant families

(b) three plant families

(c) four plant families

(d) five plant families

 

Q118 A fertile-soil, suitable for growing common crops, is likely to have a pH value of

(a) three

(b) four

(c) six to seven

(d) nine to ten

 

Q119 If a mouse of over eight times its normal size has been produced by introducing human growth hormone gene, the technique involved is called

(a) Hybridisation

(b) Genetic engineering

(c) Mutation Breeding

(d) Hormonal feeding

 

Q120 Poison glands of snakes are homologous to

(a) electric organs of fishes

(b) stings of rays

(c) sebaceous glands of mammals

(d) salivary glands of vertebrates

Tomorrow: Next 10 questions

To revise [Questions 101-110] refer yesterday’s post.

Click on MAINS and CSAT pages also.