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

Question # 1

It is an example of primary consumers:

Choose an answer

Cattles

Snake

Lion

Frog

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Question # 2

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

Choose an answer

Photosynthesis

Respiration

Both a and b

None of these

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Question # 3

An example of Endoparasite.

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Mosquitoes

Leech

Plasmodium

Lice

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Question # 4

Which one of the following is a tertiary consumer:

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Owl

Larwa of butterfly

Deer

Rabbit

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Question # 5

Organisms in the ecosystem that are responisble for recycling of plant and animal wastes are:

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Producers

Consumers

Decomposers

Compititors

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Question # 6

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 # 7

All ecosystems of the world combine to form.

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Community

Population

Biosphere

Competition

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Question # 8

Which one is an example of epiphyte?

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Mosquito

Orchid

rhizobium

Plasmodium

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Question # 9

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 # 10

A group of organisms, similar to one another, which can interbreed in nature and produce fertile off springs.

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Species

Genus

Family

Population

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Question # 11

A symbiotic interaction in which both partners get benefits.

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Mutualism

Commensalism

Parasitism

Predation

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Question # 12

________ is break down of the proteins of dead organisms to ammonia.

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Ammonification

Nitrification

Denitrification

None of these

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Question # 13

Which one of the following is not an example of fossil fuels?

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Plants

Peat

Coal

Natural gas

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