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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
Energy of ............ is trapped as chemicla energy by producers.
Question # 2
The phenomenon which doe snot lead to global warming.
Question # 3
--------occupy the b ase of pyramid.
Question # 4
A food chain starts from the..........
Question # 5
During respiration by the animals, whihc gas is released into the atmosphere.
Question # 6
The organisms upon whihc a redator feeds are called.
Question # 7
Which factor is responsible for ecological imbalance.
Question # 8
A symbiotic relationship in whihc both speciesl get benefit is called.
Question # 9
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
Question # 10
The poisonous and harmsful substances which make the air unfavorable for life are 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 | All the food chains are joined together to form ..... |
A. Food web
B. Ecologicla pyramid
C. Tropicla level
D. None of these
|
| 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 | Energy of ............ is trapped as chemicla energy by producers. |
A. Moon
B. Atom
C. Sun
D. Earth
|
| 4 | During respiration by the animals, whihc gas is released into the atmosphere. |
A. Nitrogen
B. Oxygen
C. Carbon Di oxide
D. Hydrogen
|
| 5 | The energy of the Sun in traped as chemical energy by. |
A. Tertiary consumers
B. Primary consumers
C. Producers
D. Secondary consumers
|
| 6 | 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
|
| 7 | ------------- 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
|
| 8 | 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
|
| 9 | Consumers that actively hunt other organism are called. |
A. Prey
B. Competitor
C. Predator
D. Symbiont
|
| 10 | A relationship where two species live togetehr closely is called. |
A. Mutualism
B. Commensalism
C. Symbiosis
D. Hebitate
|
Test Questions