8th Class Science Chapter 1 MCQ Test With Answer for Science chapter 1

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8th General Science English Medium Chapter 1 Test

General Science 8th Class English Medium Chapter 1 Online Test

Try the General Science 8th Class English Medium Chapter 1 Online Test.

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General Science 8th Class English Medium Chapter 1 Online Test

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Question # 1

A food chain starts from the..........

Question # 2

The poisonous and harmsful substances which make the air unfavorable for life are called.

Question # 3

During respiration by the animals, whihc gas is released into the atmosphere.

Question # 4

Which factor is responsible for ecological imbalance.

Question # 5

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

Question # 6

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

Question # 7

A relationship where two species live together closely is called

Question # 8

--------occupy the b ase of pyramid.

Question # 9

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

Question # 10

Organism in ecologicla communits interact with one anothe rin....... major ways.

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