Environmental Science and Ecology - Comprehensive Mock Test 20

Question 191 Easy

The pyramid of biomass is inverted in ?

A) forest ecosystem B) grassland ecosystem C) fresh water ecosystem D) tundra

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Question 192 Medium

The pyramid of energy in terrestrial ecosystem is?

A) upright B) inverted C) spindle shaped D) irregular

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Question 193 Medium

The concept of ecological pyramid was first proposed by ?

A) E.P. Odum B) 1⃣ G. Tansley C) Juday D) Charles Elton

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Question 194 Medium

The pyramid of numbers is inverted in the case of ?

A) parasitic food chain B) Grassland ecosystem C) Forest ecosystem D) lake ecosystem

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Question 195 Medium

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 196 Medium

Succession initiated on large sand deposits or deserts is called ?

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

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Question 197 Easy

The pioneers in xerach succession is the ?

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

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Question 198 Medium

Which of the following interactions will not promote co evolution?

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

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Question 199 Medium

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

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

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Question 200 Easy

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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