Environmental Science MCQs

Question 1

Solar radiation reaches the earth's surface as:

Accepted Answer

Answer

Visible radiation only

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Ultraviolet radiation only

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Infrared radiation only

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Visible and infrared radiation only

Question 2

The earth's atmospheric window is in the:

Accepted Answer

Infrared region

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Ultraviolet region

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Visible region

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Polar regions

Question 3

Carbon monoxide is a pollutant because it

Accepted Answer

reacts with haemoglobin

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reacts with 02

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inhibits glycolysis

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inactivates nervous system A

Question 4

High biological oxygen demand indicates:

Accepted Answer

intense level of microbial pollution

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absence of microbial pollution

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moderate microbial pollution

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all of these

Question 5

Environmental education should be in _______ approach.

Accepted Answer

interdisciplinary

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interdependent

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interpreting

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balanced

Question 6

A high density of elephant population in an area can result in

Accepted Answer

Intraspecific competition

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mutualism

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Interspecific competition

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Predation on one another

Question 7

The most important human activity, leading to the extinction of wildlife, is

Accepted Answer

Alternation and destruction of the natural habitats

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Pollution of wildlife, is

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Hunting for valuable wildlife products

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Introduction of alien species

Question 8

The process of successful establishment of the species in a new area is called

Accepted Answer

ecesis

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sere

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climax

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invasion

Question 9

The order of basic processes involved in succession is

Accepted Answer

Nudation->Invasion-> competition and co action->reaction>stabilization

Answer

Nudation->stabilization-> competition and co action->Invasion>reaction

Answer

Invasion-> Nudation->competition and co action->Reaction>stabilization

Answer

Invasion->stabilization-> competition and co action->Reaction>nudation