AIIMS · Biology

Ecosystem

24 practice questions for AIIMS18 easy · 4 medium · 2 hard. Every question is graded instantly with a step-by-step solution when you miss it.

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Sample questions

MCQ
Assertion : Net primary productivity is gross primary productivity minus respiration. Reason : Secondary productivity is produced by heterotrophs.
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Most animals that live in deep oceanic waters are
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Assertion : Rice field is an ecosystem for plants and animals. Reason : Gut of human/animals is an ecosystem for flora and fauna.
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Assertion : In a terrestrial ecosystem, detritus food chain is the major conduit for energy flow.Reason : Solar energy is the direct source for energy supply in a detritus food chain.
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Animals take phosphorus from
MCQ
What is the Greek word for ecology?
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Assertion : Secondary succession takes place in recently denuded area. Reason : It is caused due to baring of an area.
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Assertion : The plant biomass which serves as the food of herbivores and decomposers is said to result from the gross primary productivity. Reason : Gross primary productivity is the rate of net production of organic…
MCQ
The bacteria which attack dead animals are
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Assertion : Plants absorb sulphur in the form of sulphate ions. Reason : Sulphur bacteria are required for the formation of sulphate.
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Ozone in stratosphere extends
MCQ
Beta diversity is diversity
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