An enzyme produced by HIV DNA into host cell DNA is:

 a) DNA gyrase
 b) Integrase
 c) Ligase
 d) Helicase

SSC CGL-15

Integrase.

Which one among the following industries is the maximum consumer of water in India?

 a) Engineering
 b) Paper and pulp
 c) Textiles
 d) Thermal power

SSC CGL-15

Thermal power. Source: TERI Policy Brief 2012

The ash grey soils of high lattitude coniferous forest are known as:

 a) Tundra soils
 b) Podsols
 c) Grey brown soils.
 d) red and yellow soils.

SSC CGL-15

Podsols.

Economic profit or normal profit is the same as :

 a) optimum profit
 b) maximum profit
 c) net profit
 d) accounting profit

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net profit.

SIDBI stands for :

 a) Small Industries Designed Bank of India
 b) Small Industries Development Bank of India
 c) Small Development  Banker's Institute
 d) Small Industrial Designed Bank of India

SSC CGL-15

Small Industries Development Bank of India.

Surplus budget is recommended during :

 a) Boom
 b) Famine
 c) War
 d) Depression

SSC CGL-15

Boom. If the economy is booming, then a budget surplus could be compatible with strong economic growth.

First Nobel Prize to india was given for

 a) Medicine
 b) Physics
 c) Chemistry
 d) Literature

SSC CGL-15

Literature.

The metal ion present in Vitamin B12 is :

 a) Zinc
 b) Iron
 c) Nickel
 d) Cobalt

SSC CGL-15

cobalt. Vitamin B12 is also referred to as cobalamin, because it contains a metal ion (cobalt).

Who of the following has given the term Rhizosphere?

 a) Hiltner
 b) Gallet
 c) Alexopolus
 d) None of the above.

SSC CGL-15

Hiltner. The term rhizosphere was coined by Hiltner in 1904 to describe the portion of soil where microorganism-mediated processes are under the influence of the root system.

What is the currency of Saudi Arabia?

 a) Riyal
 b) Lira
 c) Pound
 d) DInar

SSC CGL-15

Riyal.