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

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Online MCQ`s Test For Chapter 1 "General Science 8th Class English Medium Chapter 1 Online Test"

Try The MCQ`s Test For Chapter 1 "General Science 8th Class English Medium Chapter 1 Online Test"

  • Total Questions10

  • Time Allowed10

General Science 8th Class English Medium Chapter 1 Online Test

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Question # 1

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

Question # 2

A relationship where two species live together closely is called

Question # 3

------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature.

Question # 4

------------- gas is released when dead organisms are decomposed by the decomposers.

Question # 5

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

Question # 6

During the combustion of fossil fuel. Which gas is ener the atmosphere.

Question # 7

The energy of the Sun in traped as chemical energy by.

Question # 8

Ozone is a layer of gases in ............. atmosphere of the Earth.

Question # 9

Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980

Question # 10

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

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8th General Science English Medium Chapter 1 Test

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