Environmental Science and Ecology - Comprehensive Mock Test 17

Question 161 Easy

The major pollutant from automoblie exhaust is?

A) NO B) CO C) SO2 D) Soot

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Question 162 Medium

The carrying capacity of a population is determined by its?

A) population growth rate B) natality C) mortality D) limiting resources

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Question 163 Medium

In a population, unrestricted reproductive capacity is called as?

A) carrying capacity B) biotic potential C) birth rate D) fertility rate

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Question 164 Medium

A human population is small, there is a greater chance of ?

A) gene flow B) genetic drift C) natural selection D) mutation

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Question 165 Easy

Exponential growth occurs when there is?

A) a great environmental resistance B) no environmental resistance C) no biotic potential D) a fixed carrying capacity

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Question 166 Medium

Fine organic or inorganic particles suspended in air is called?

A) particulate pollutant B) gaseous pollutant C) aerosol D) none of these

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Question 167 Easy

All are particulate pollutants except?

A) dust B) ozone C) soot D) smoke

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Question 168 Easy

Air pollution is severe in?

A) Cities B) Industrialised areas C) Densely populated areas D) all of these

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Question 169 Easy

All are primary pollutants except?

A) Ammonia B) Peroxy Acyl Nitrate (PAN) C) sulphur dioxide D) hydrogen sulphide

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Question 170 Easy

All are physical pollutants except?

A) heat B) sound C) radiations D) soot

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