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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
00:00
Question # 1
Green house gases is
Question # 2
The energy of the Sun in traped as chemical energy by.
Question # 3
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
Question # 4
A symbiotic relationship in whihc both speciesl get benefit is called.
Question # 5
Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.
Question # 6
Ozone is a layer of gases in ............. atmosphere of the Earth.
Question # 7
------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature.
Question # 8
The poisonous and harmsful substances which make the air unfavorable for life are called.
Question # 9
A relationship where two species live together closely is called
Question # 10
A relationship where two species live togetehr 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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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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H hadia shah 27 - Feb - 2026 01 Min 56 Sec 16/20
8th General Science (English Medium) Chapter 1 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Green house gases is |
A. Carbon di oxide
B. Methane
C. Oxides of nitrogen
D. All these
|
| 2 | A relationship where two species live together closely is called |
A. Symbiosis
B. Predation
C. Competitor
D. None of these
|
| 3 | The poisonous and harmsful substances which make the air unfavorable for life are called. |
A. Solid pollutant
B. Air pollutant
C. Water pollutant
D. Acid Rain
|
| 4 | Energy of ............ is trapped as chemicla energy by producers. |
A. Moon
B. Atom
C. Sun
D. Earth
|
| 5 | The organisms upon whihc a redator feeds are called. |
A. Prey
B. Carnivores
C. Herbivores
D. Producers
|
| 6 | A symbiotic relationship in whihc both speciesl get benefit is called. |
A. Commensalism
B. Hebitate
C. Mutualism
D. Symbiosis
|
| 7 | 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
|
| 8 | Consumers that actively hunt other organism are called. |
A. Prey
B. Competitor
C. Predator
D. Symbiont
|
| 9 | The energy of the Sun in traped as chemical energy by. |
A. Tertiary consumers
B. Primary consumers
C. Producers
D. Secondary consumers
|
| 10 | A food chain starts from the.......... |
A. Primary carnivores
B. Herbivores
C. Producers
D. Top carnivores
|
Test Questions