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

Question # 1

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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Question # 2

Which of the following is not an example of green house gas?

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CO₂

Methane

Oxygen

Nitrous oxide

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Question # 3

In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:

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grass

grasshopper

sparrow

hawk

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Question # 4

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 # 5

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 # 6

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

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Kelvin

Lamark

Charles Elton

Charles Darwin

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Question # 7

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

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Food chain

Food web

Trophic level

Energy flow

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Question # 8

The total amount of living matter in an ecosystem at any time is called.

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Biomass

Energy

Food Chain

Food web

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Question # 9

Which Charles Eiton developed the concept of ecological pyramids?

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1926

1927

1928

1929

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Question # 10

Abiotic component of ecosystem is:

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Producers

Herbivores

Camivore

Oxygen

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Question # 11

An example of carnivores plant is.

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Mosses

Ferns

Rose plant

Sundew

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Question # 12

The type of environment in which a particular species lives is called.

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Ecosystem

Habitat

Biosphere

Community

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