Biology - Comprehensive Mock Test 51

Question 501 Easy

CAM helps the plants in ?

A) Reproduction B) Conserving water C) Secondary growth D) Disease resistance

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Question 502 Medium

Biotic potential is increase in population under ?

A) Optimum conditions B) Climatic conditions C) Natural conditions D) Given conditions

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Question 503 Medium

Association between sea Anemone and Hermit crab in gastropod shell is that of ?

A) Parasitism B) Commensalism C) Symbiosis D) Amensalism

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Question 504 Medium

Animals that have adapted themselves to live in deserts are known as ?

A) Fossorial B) Xerocoles C) Arboreal D) Terrestrial

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Question 505 Medium

An association of individuals of different species living in the same habitat and having functional interactions is ?

A) Biotic community B) Ecologic niche C) Population D) Ecosystem

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Question 506 Medium

Adaptation to low temperature and freezing in animals occurs due to the production of ?

A) Chaperonins B) Proline C) Antifreeze D) Alanine

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Question 507 Easy

A terrestrial animal must be able to ?

A) Excrete large amounts of salts in urine B) Actively pump salts out through the skin C) Conserve water D) Excrete large amount of water in urine

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Question 508 Medium

A population with equal number of births and deaths will show ?

A) Acceleration phase of growth B) Plateau phase C) Exponential growth phase D) Initial phase of growth

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Question 509 Medium

Which one of the following is categorized as a parasite in true sense?

A) The cuckoo lays its egg in crow's nest B) The female Anopheles bites and sucks blood from humans C) Human foetus developing inside the uterus draws nourishment from the mother D) Head louse living on the human scalp as well as laying eggs on human hair

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Question 510 Medium

Which factor of ecosystem includes plants, animals and microorganisms?

A) Biotic factors B) Direct factors C) Indirect factors D) Abiotic factors

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