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General Science 8th Class English Medium Chapter 1 Online Test MCQs With Answers

Question # 1

Consumers that actively hunt other organism are called.

Choose an answer

Prey

Competitor

Predator

Symbiont

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Question # 2

A relationship where two species live together closely is called

Choose an answer

Symbiosis

Predation

Competitor

None of these

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Question # 3

Which factor is responsible for ecological imbalance.

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Over hunting

Change in water supply

Migration

All these

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Question # 4

Energy of ............ is trapped as chemicla energy by producers.

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Moon

Atom

Sun

Earth

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Question # 5

Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.

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Food Chian

Ecological pyramid

Trophic level

Predation

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Question # 6

A relationship where two species live togetehr closely is called.

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Mutualism

Commensalism

Symbiosis

Hebitate

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Question # 7

All the food chains are joined together to form .....

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Food web

Ecologicla pyramid

Tropicla level

None of these

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Question # 8

Which is the solution of environmental problems.

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Reducing pollution

Plantation

Protection of endangered

All these

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Question # 9

The feeding level of an organism in an ecosystem is called.

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Food Web

Food chain

Trophical level

Secession level

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Question # 10

Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.

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Hydrogen

Iodine

Oxygen

Nitrogen

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