201 Questions

Ecology

Practice Ecology MCQs from Biology — Science.

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What is the role of Nitrosomonas in the nitrogen cycle?

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Which phenomenon causes an increase in the concentration of toxic substances at higher trophic levels?

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The gradual process by which ecosystems change and develop over time is called:

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Species that are found only in one specific geographic area are called:

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What is the relationship between algae and fungi in lichens?

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The amount of organic matter present in an organism at a given time is called:

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Which of the following gases is NOT a greenhouse gas?

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What is 'Biological Oxygen Demand' (BOD) an indicator of?

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A species that has a disproportionately large effect on its environment relative to its abundance is:

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Which organization publishes the 'Red Data Book'?

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In which ecosystem would you find a 'Phytoplankton' as the primary producer?

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What type of succession occurs on bare rock after a volcanic eruption?

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The transition zone between two different ecosystems is known as:

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Which chemical is primarily responsible for the depletion of the ozone layer?

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What is the term for animals that remain active during the day?

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In Nepal, which animal is protected in the Suklaphanta Wildlife Reserve?

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Which process in the nitrogen cycle returns nitrogen to the atmosphere as gas?

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Which level of a food chain contains the most biomass?

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The movement of nutrients through the biotic and abiotic components of an ecosystem is:

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Which of the following is an example of ex-situ conservation?

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