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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
------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature.
Question # 3
During respiration by the animals, whihc gas is released into the atmosphere.
Question # 4
All the food chains are joined together to form .....
Question # 5
Ozone is a layer of gases in ............. atmosphere of the Earth.
Question # 6
------------- gas is released when dead organisms are decomposed by the decomposers.
Question # 7
--------occupy the b ase of pyramid.
Question # 8
Which is the solution of environmental problems.
Question # 9
A food chain starts from the..........
Question # 10
Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.
8th General Science English Medium Chapter 1 Test
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8th General Science (English Medium) Chapter 1 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The feeding level of an organism in an ecosystem is called. |
A. Food Web
B. Food chain
C. Trophical level
D. Secession level
|
| 2 | Energy of ............ is trapped as chemicla energy by producers. |
A. Moon
B. Atom
C. Sun
D. Earth
|
| 3 | 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
|
| 4 | Consumers that actively hunt other organism are called. |
A. Prey
B. Competitor
C. Predator
D. Symbiont
|
| 5 | The phenomenon which doe snot lead to global warming. |
A. Green hous effect
B. Ozone depletion
C. Deforestation
D. Photosynthesis
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| 6 | Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called. |
A. Food Chian
B. Ecological pyramid
C. Trophic level
D. Predation
|
| 7 | A symbiotic relationship in whihc both speciesl get benefit is called. |
A. Commensalism
B. Hebitate
C. Mutualism
D. Symbiosis
|
| 8 | Green house gases is |
A. Carbon di oxide
B. Methane
C. Oxides of nitrogen
D. All these
|
| 9 | During the combustion of fossil fuel. Which gas is ener the atmosphere. |
A. Nitrogen
B. Oxygen
C. Carbon di oxide
D. Hydrogen
|
| 10 | ------------- gas is released when dead organisms are decomposed by the decomposers. |
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
|
Test Questions