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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
Organism in ecologicla communits interact with one anothe rin....... major ways.
Question # 2
------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature.
Question # 3
A symbiotic relationship in whihc both speciesl get benefit is called.
Question # 4
All the food chains are joined together to form .....
Question # 5
During respiration by the animals, whihc gas is released into the atmosphere.
Question # 6
Energy of ............ is trapped as chemicla energy by producers.
Question # 7
------------- gas is released when dead organisms are decomposed by the decomposers.
Question # 8
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
Question # 9
A relationship where two species live togetehr closely is called.
Question # 10
A food chain starts from the..........
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.
Top Scorers Of Chapter 1 "General Science 8th Class English Medium Chapter 1 Online Test" MCQ`s Test
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M Muhammad younis 22 - Oct - 2025 00 Min 29 Sec 20/20 -
H Haseeb Khan 25 - Jan - 2026 00 Min 58 Sec 20/20 -
M Muhammad Yousif 25 - Oct - 2025 00 Min 59 Sec 20/20 -
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S Shahram Khan 07 - Dec - 2025 00 Min 10 Sec 16/20 -
A aqib zahid 24 - Feb - 2026 01 Min 48 Sec 16/20 -
H hadia shah 27 - Feb - 2026 01 Min 56 Sec 16/20
8th Chapter 1 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | --------occupy the b ase of pyramid. |
A. Producers
B. Primary canivores
C. Herbivores
D. Top carnivores
|
| 2 | A relationship where two species live together closely is called |
A. Symbiosis
B. Predation
C. Competitor
D. None of these
|
| 3 | All the food chains are joined together to form ..... |
A. Food web
B. Ecologicla pyramid
C. Tropicla level
D. None of these
|
| 4 | Green house gases is |
A. Carbon di oxide
B. Methane
C. Oxides of nitrogen
D. All these
|
| 5 | The feeding level of an organism in an ecosystem is called. |
A. Food Web
B. Food chain
C. Trophical level
D. Secession level
|
| 6 | Energy of ............ is trapped as chemicla energy by producers. |
A. Moon
B. Atom
C. Sun
D. Earth
|
| 7 | A food chain starts from the.......... |
A. Primary carnivores
B. Herbivores
C. Producers
D. Top carnivores
|
| 8 | 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
|
| 9 | Which is the solution of environmental problems. |
A. Reducing pollution
B. Plantation
C. Protection of endangered
D. All these
|
| 10 | Which factor is responsible for ecological imbalance. |
A. Over hunting
B. Change in water supply
C. Migration
D. All these
|
Test Questions