Biology MCQs

Biology

Man and His Environment


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#1

Which one of the following is non renewable resource?

A)  Fossile fuel

B)  Fish

C)  Forest

D)  Wild fish

Answer:   A
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#2

Which one of the following causes stone cancer?

A)  Virus

B)  Oncogenes

C)  Acid rains

D)  Mutagens

Answer:   C
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#3

Acid rains generally occur in

A)  Deserts

B)  Industrial towns

C)  Rivers

D)  Grass lands

Answer:   B
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#4

Conservation of energy means

A)  Saving energy resources

B)  Not using energy resources

C)  Using energy resources slowly

D)  Using energy resources wisely

Answer:   D
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#5

Creating new forest lands is called?

A)  Deforestation

B)  Reforestation

C)  Afforestation

D)  Desertification

Answer:   C
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#6

Wild life refers to

A)  Cultivated plants

B)  Non cultivated plants

C)  Non domesticated animals

D)  Both B and C

Answer:   D
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#7

In bioconversion the bacteria digest the wastes to produce

A)  Sui gas

B)  Methene gas

C)  Alcohol

D)  SO2

Answer:   B
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#8

A change in the community structure of an ecosystem over a period of time is

A)  Succession

B)  Genetic drift

C)  Ecological niche

D)  None of these

Answer:   A
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