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Ecology MCQ Question with Answer

Ecology MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 36
Smog is a combination of

air and water
water and smoke
smoke and fog
fire and water
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Question No : 37
Which of the following is an anti-forest conservation activity ?

Economy in timbering
Clear falling of trees
Prevention of fibres
Preservation of wild animals
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Question No : 38
Which one is the direct ecological factor ?

Soil structure
Wind
Temperature
Climate
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Question No : 39
The main cause of soil erosion in India is

drought
heavy rainfall
deforestation
heavy winds
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Question No : 40
A food-chain consists of

producer only
producers and consumers
consumers only
decomposers only
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Question No : 41
Pedology is the study of

soil
rocks
animal diseases
locomotion of animals
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Question No : 42
An association between two or more species in which both are benefited is known as

commensalism
symbiosis
mutualism
cooperation
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