Environmental Science and Ecology - Mock Test 88

Question 871

The development of a bare area without any life form is called ?

A) nudation B) ecesis C) sere D) reaction

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Question 872

Succession initiated on large sand deposits or deserts is called ?

A) hydrosere B) psammosere C) xerosere D) oxylosere

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Question 873

The process of successful establishment of the species in a new area is called ?

A) sere B) climax C) invasion D) ecesis

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Question 874

The pioneers in xerach succession is the ?

A) crustose lichen B) mosses C) foliose lichen D) shrubs

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Question 875

The effect of interspecific competition on niches is to make them ?

A) larger B) smaller C) more triangular D) change location

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Question 876

Which of the following interactions will not promote co evolution?

A) commensalism B) mutualism C) parasitism D) interspecific competition

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Question 877

When both partners are affected negatively the nature of interaction is ?

A) commensalism B) competition C) predation D) amensalism

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Question 878

Barnacles growing on the back of whale is an example for ?

A) mutualism B) parasitism C) amensalism D) commensalism

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Question 879

MAB stands for ?

A) Man and biosphere B) Man, antibiotics and bacteria C) Man and biotic community D) Mayer, Anderson and Bisby

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Question 880

In a food chain of grassland ecosystem the top consumers are ?

A) Herbivorous B) Carnivorous C) Bacteria D) Either carnivorous or herbivorous

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