Environmental Science and Ecology - Comprehensive Mock Test 10

Question 91 Medium

Which one of the following is not a gaseous biogeochemical cycle in ecosystem?

A) Nitrogen cycle B) Carbon cycle C) Sulphur cycle D) Phosphorus cycle

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Question 92 Easy

The upright pyramid of number is absent in ?

A) Lake B) Grassland C) Pond D) Forest

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Question 93 Medium

Which one of the following is not a functional unit of an ecosystem?

A) Productivity B) Stratification C) Energy flow D) Decomposition

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Question 94 Medium

Mass of living matter at a trophic level in an area at any time is called ?

A) Standing state B) Standing crop C) Detritus D) Humus

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Question 95 Easy

Sal (Shorea robusta) forest is a ?

A) Deciduous forest B) Evergreen forest C) Rain forest D) None of these

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Question 96 Easy

Quercus species are the dominant component in ?

A) Tropical rain forests B) Temperate deciduous forests C) Alpine forests D) Scrub forests

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Question 97 Easy

Savannahs are ?

A) Tropical rain forests B) Dense forest with closed canopy C) Grasslands with scattered trees D) Desert scrub

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Question 98 Easy

Pyramid of energy in ecosystems is ?

A) Always upright B) Always inverted C) Mostly upright D) Mostly inverted

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Question 99 Easy

Stratification is more common in ?

A) Deciduous forest B) Tropical rain forest C) Temperate forest D) Tropical savannah

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Question 100 Medium

Organisms which break down detritus into matter particles ?

A) Herbivores B) Carnivores C) Detritivores D) None of these

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