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

Question # 1

The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called.

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Commenaslism

Mutualism

Parasitism

Predation

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Question # 2

the type of symbolic association in which partner gets benefits while other is neither benefited nor harmed is called:

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Commensalism

Mutualism

Parasitism

Predation

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Question # 3

The type of symbiotic relationship in which one member get benefit and other is unaffected is called.

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Parasitism

Mutualism

Commensalism

Predation

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Question # 4

All ecosystems of the world combine to form.

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Community

Population

Biosphere

Competition

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Question # 5

In the atmosphere, carbon is found as

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graphite

diamond

carbonates

carbon dioxide

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Question # 6

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

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Predation

Parasitism

Mutualism

Commensalism

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Question # 7

Which form of nitrogen is taken by the producers of the ecosystem?

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Nitrogen gas

Ammonia

Nitrates

Nitrites

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Question # 8

Conversion of Nitrates into nitrogen gas is called.

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Denitrification

Assimilation

Ammonification

Nitrogen fixtation

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Question # 9

The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called.

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Nitrification

Denitrification

Nitrogen fixation

Assimilation

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Question # 10

It is an example of endoparasite:

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mosquitoes

leeches

lice

plasmodium

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Question # 11

Nitrobactor bacteria converts nitrites into:

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nitrogen

nitrates

urea

ammonia

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Question # 12

Largest unit of Ecology is:

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Species

Community

Ecosystem

Biosphere

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Question # 13

Ectoparasite is

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Ascaris

Amoeba

Leech

Plasmodium

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