Ecology MCQ Question with Answer

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

Question No : 22
When compared to the trophic level above, the total energy present in any given trophic level is necessarily

greater

lesser

the same

very small

Question No : 23
The total set of feeding relationships in a biotic community is called

a food chain

trophic levels

food webs

ecosystem

Question No : 24
Which of the following is normally not an important atmospheric pollutant

c o_{2}

s o_{2}

Hydro-carbon

Question No : 25
Ultra-violet radiation from sunlight causes the reaction that produce

s o_{2}

o_{3}

Fluorides

Question No : 26
Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicles in Delhi

Fly ash

s o_{2}

Hydrocarbon gases

Question No : 27
Association of a sea-anemone with hermit crab living in a gastropod shell is an example of

mutualism

commensalism

symbiosis

parasitism

Question No : 28
Animals in cold regions have fur because

hair is a good insulating material

hairs trap air which acts as insulator

they like fur

none of these

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