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Q.1 Consider the following :

1) Coal pits

2) Sewers

3) Volcanic eruptions

Which among the above are the sources of H2s in the environment ?

A) 1 & 2

B) 2 & 3

C) Only 3

D) 1,2,3

Ans. D


Q.2 A transition zone or region separating two biomes is known as :

A) Ecological niche

B) Ecocline

C) Ecotone

D) Ecotype

Ans. C


Q.3 Eutrophication of water bodies is mainly caused by :

A) Carbonates & Oxides

B) Hydrocarbons & Metals

C) Carbonates & Sulphates

D) Phosphates & Nitrates

Ans. D


Q.4 Which among the following is a secondary pollutant ?

A) Benzene

B) Nitrogen oxide

C) Ozone

D) Sulphur di oxide

Ans. C


Q.5 Which of the following pollutants causes surface deterioration of leather goods ?

A) Hydrogen Sulphide

B) Nitrogen oxide

C) Ozone

D) Sulphur dioxide

Ans. D

Q.6 Which of the following region has lowest atmospheric humidity ?

A) Monsoon

B) Equatorial

C) Prairies

D) Polar

Ans. D


Q.7 Cartagena Protocol on biosafety deals with :

A) establishing or promoting in situ conservation facilities for rare & endangered organisms

B) Maintaining the world wide network of gene banks for all the known flora & fauna

C) Monitoring & regulating development of living modified organisms

D) Ensuring safe handling , safe usage & safe trans-boundary movement of living modified organisms

Ans. D


Q.8 Which among the following regions receives the highest annual average monsoon rainfall from June to September ?

A) Gangetic West Bengal

B) Western Uttar Pradesh

C) Eastern Uttar Pradesh

D) Punjab

Ans. A


Q.9 Other than Nitrogen & Oxygen which among the following is the most abundant gas in the Earth’s atmosphere ?

A) Argon

B) Carbon di oxide

C) Methane

D) Hydrogen

Ans. A