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8th Class General Science Chapter 1 Online Test
8th Class English Medium Subjects
8th Class Urdu Medium Subjects
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"
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Total Questions10
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Time Allowed10
General Science 8th Class English Medium Chapter 1 Online Test
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Question # 1
Consumers that actively hunt other organism are called.
Question # 2
The feeding level of an organism in an ecosystem is called.
Question # 3
During the combustion of fossil fuel. Which gas is ener the atmosphere.
Question # 4
A food chain starts from the..........
Question # 5
The poisonous and harmsful substances which make the air unfavorable for life are called.
Question # 6
------------- gas is released when dead organisms are decomposed by the decomposers.
Question # 7
The phenomenon which doe snot lead to global warming.
Question # 8
Which is the solution of environmental problems.
Question # 9
The energy of the Sun in traped as chemical energy by.
Question # 10
A relationship where two species live together closely is called
8th General Science English Medium Chapter 1 Test
Here you can prepare 8th General Science English Medium Online MCQ's Test. Click the button for 8th General Science English Medium Chapter 1 100% free full practice test.
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8th General Science (English Medium) Chapter 1 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called. |
A. Food Chian
B. Ecological pyramid
C. Trophic level
D. Predation
|
| 2 | The feeding level of an organism in an ecosystem is called. |
A. Food Web
B. Food chain
C. Trophical level
D. Secession level
|
| 3 | Ozone is a layer of gases in ............. atmosphere of the Earth. |
A. Upper
B. Lower
C. Middle
D. Inner
|
| 4 | The phenomenon which doe snot lead to global warming. |
A. Green hous effect
B. Ozone depletion
C. Deforestation
D. Photosynthesis
|
| 5 | ------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature. |
A. Waisting of energy
B. Destroy fo energy
C. Transfer of energy
D. Produce of energy
|
| 6 | Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment. |
A. Hydrogen
B. Iodine
C. Oxygen
D. Nitrogen
|
| 7 | The energy of the Sun in traped as chemical energy by. |
A. Tertiary consumers
B. Primary consumers
C. Producers
D. Secondary consumers
|
| 8 | Organism in ecologicla communits interact with one anothe rin....... major ways. |
A. Two
B. three
C. Four
D. Five
|
| 9 | Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980 |
A. 100
B. 200
C. 300
D. 400
|
| 10 | --------occupy the b ase of pyramid. |
A. Producers
B. Primary canivores
C. Herbivores
D. Top carnivores
|
Test Questions