Question # 1

The major process that brings carbon from atmosphere into living world is:

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Photosynthesis

Respiration

Both a and b

None of these

One organism kills and feed on other organism is called.

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Predation

Parasitism

Mutuatism

Commensalism

In the food chain tree.... caterpillar.. robin..hawk....coyote, which is secondary consumer?

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Caterpillar

Robin

Hawk

Coyote

Living of nitrogen fixing bacteria in the roots nodules of Leguminous plant is an example of.

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Predation

Parasitism

Mutualism

Commensalism

Ectoparasite is

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Ascaris

Amoeba

Leech

Plasmodium

At the end of a long food chian the energy will be.

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Will more

As same as at start

Will less

Zero

Which one of the example of abiotic factor?

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Decomposoer

Light

Water

Soil

A network of all the feeding relationships in an ecosystem is called.

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Food chain

Food web

Trophic level

Energy flow

In 1927,................ developed the concept of ecological pyramids.

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Kelvin

Lamark

Charles Elton

Charles Darwin

conversion of the nitrogen gas into nitrates is called.

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Denitrification

Nitrogen fixation

Assimilation

Ammonification

The lowest trophic level of an ecosystem always includes.

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Herbivores

Carnivores

Producer

Decomposers

Livingof Nitrogen bacteria in the roots nodules of Leguminous plant is an example of :

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Predation

Parasitism

Mutualism

Commensalism

A group of organisms of the same species inhabiting a species geographical area ta a particular time is called:

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population

community

ecosystem

species

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Biology 10th Class English Medium Chapter 16 Online Test MCQs With Answers

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