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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
The poisonous and harmsful substances which make the air unfavorable for life are called.
Question # 2
A symbiotic relationship in whihc both speciesl get benefit is called.
Question # 3
A food chain starts from the..........
Question # 4
Green house gases is
Question # 5
The energy of the Sun in traped as chemical energy by.
Question # 6
------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature.
Question # 7
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
Question # 8
Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.
Question # 9
Energy of ............ is trapped as chemicla energy by producers.
Question # 10
During the combustion of fossil fuel. Which gas is ener the atmosphere.
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 | All the food chains are joined together to form ..... |
A. Food web
B. Ecologicla pyramid
C. Tropicla level
D. None of these
|
| 2 | A food chain starts from the.......... |
A. Primary carnivores
B. Herbivores
C. Producers
D. Top carnivores
|
| 3 | A relationship where two species live together closely is called |
A. Symbiosis
B. Predation
C. Competitor
D. None of these
|
| 4 | --------occupy the b ase of pyramid. |
A. Producers
B. Primary canivores
C. Herbivores
D. Top carnivores
|
| 5 | The phenomenon which doe snot lead to global warming. |
A. Green hous effect
B. Ozone depletion
C. Deforestation
D. Photosynthesis
|
| 6 | Consumers that actively hunt other organism are called. |
A. Prey
B. Competitor
C. Predator
D. Symbiont
|
| 7 | A relationship where two species live togetehr closely is called. |
A. Mutualism
B. Commensalism
C. Symbiosis
D. Hebitate
|
| 8 | Ozone is a layer of gases in ............. atmosphere of the Earth. |
A. Upper
B. Lower
C. Middle
D. Inner
|
| 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 | A symbiotic relationship in whihc both speciesl get benefit is called. |
A. Commensalism
B. Hebitate
C. Mutualism
D. Symbiosis
|
Test Questions