Environmental Science and Ecology - Comprehensive Mock Test 2

Question 11 Medium

A recent technique for the study of vegetation is?

A) Ground photography B) Remote sensing C) Field work D) Observation

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Question 12 Medium

The atmosphere of big metropolitan cities is polluted most by ?

A) Automobile exhausts B) Radio-active fall out C) Household waste D) Pesticides residue

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Question 13 Easy

Most harmful environmental pollutants are ?

A) Natural nutrients in excess B) Human organic wastes C) Nonbiodegradable chemicals D) Waste animal feed

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Question 14 Easy

Most abundant water pollutant is ?

A) Industrial wastes B) Pesticides C) Detergents D) Ammonia

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Question 15 Easy

Montreal Protocol aims at ?

A) Control of CO2 emission B) Reduction of ozone depleting substances C) Biodiversity conservation D) Control of water pollution

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Question 16 Easy

Minamata disease is due to pollution of ?

A) Industrial waste mercury into fishing water B) Oil spill in water C) Organic waste into drinking water D) Arsenic into the atmosphere

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Question 17 Easy

Maximum threat to the world is from ?

A) Global warming B) Ozone hole C) Water pollution D) Soil erosion

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Question 18 Medium

The ultraviolet radiations in the stratosphere are absorbed by ?

A) SO2 B) Oxygen C) Ozone D) Argon

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Question 19 Easy

Maximum deposition of DDT will occur in ?

A) Phytoplankton B) Crab C) Eel D) Sea gull

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Question 20 Easy

Ultra-violet light causes ?

A) Photodynamic action B) Sticky metaphases C) Formation of pyrimidines D) Destruction of hydrogen bonds between complementary DNA strands

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