Biology - Mock Test 115

Question 1141

Competition is severe in a population that has a distribution which is ?

A) Random B) Uniform C) Irregular D) Non-random

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Question 1142

When one animal copies the appearance, actions, or sounds of another animal to avoid predators, it is called ?

A) Mimicry B) Commensalism C) Competition D) Symbiosis

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Question 1143

Competition is most severe between two ?

A) Distantly related species growing in the same habitat B) Closely related species growing in the same habitat C) Closely related species growing in different niches D) Distantly related species growing in different niches

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Question 1144

Which of the followings is not the characteristic of the anatomy of xerophytes?

A) Well developed conducting tissue B) Spongy parenchyma C) Thick cuticle D) Well developed mechanical tissue

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Question 1145

The abundance of a species population within its habitat is called ?

A) Relative density B) Regional density C) Absolute density D) Niche density

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Question 1146

CAM helps the plants in ?

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

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Question 1147

Biotic potential is increase in population under ?

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

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Question 1148

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 1149

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 1150

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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