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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
All the food chains are joined together to form .....
Question # 2
The energy of the Sun in traped as chemical energy by.
Question # 3
During the combustion of fossil fuel. Which gas is ener the atmosphere.
Question # 4
Which is the solution of environmental problems.
Question # 5
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
Question # 6
Consumers that actively hunt other organism are called.
Question # 7
A food chain starts from the..........
Question # 8
Organism in ecologicla communits interact with one anothe rin....... major ways.
Question # 9
Energy of ............ is trapped as chemicla energy by producers.
Question # 10
Ozone is a layer of gases in ............. atmosphere of the Earth.
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 | Which factor is responsible for ecological imbalance. |
A. Over hunting
B. Change in water supply
C. Migration
D. All these
|
| 2 | Energy of ............ is trapped as chemicla energy by producers. |
A. Moon
B. Atom
C. Sun
D. Earth
|
| 3 | A food chain starts from the.......... |
A. Primary carnivores
B. Herbivores
C. Producers
D. Top carnivores
|
| 4 | Which is the solution of environmental problems. |
A. Reducing pollution
B. Plantation
C. Protection of endangered
D. All these
|
| 5 | During respiration by the animals, whihc gas is released into the atmosphere. |
A. Nitrogen
B. Oxygen
C. Carbon Di oxide
D. Hydrogen
|
| 6 | ------------- 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
|
| 7 | The phenomenon which doe snot lead to global warming. |
A. Green hous effect
B. Ozone depletion
C. Deforestation
D. Photosynthesis
|
| 8 | A relationship where two species live together closely is called |
A. Symbiosis
B. Predation
C. Competitor
D. None of these
|
| 9 | 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
|
| 10 | During the combustion of fossil fuel. Which gas is ener the atmosphere. |
A. Nitrogen
B. Oxygen
C. Carbon di oxide
D. Hydrogen
|
Test Questions