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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
Consumers that actively hunt other organism are called.
Question # 2
Green house gases is
Question # 3
The organisms upon whihc a redator feeds are called.
Question # 4
Organism in ecologicla communits interact with one anothe rin....... major ways.
Question # 5
------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature.
Question # 6
All the food chains are joined together to form .....
Question # 7
--------occupy the b ase of pyramid.
Question # 8
Which is the solution of environmental problems.
Question # 9
Which factor is responsible for ecological imbalance.
Question # 10
------------- gas is released when dead organisms are decomposed by the decomposers.
8th General Science English Medium Chapter 1 Test
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8th General Science (English Medium) Chapter 1 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | The phenomenon which doe snot lead to global warming. |
A. Green hous effect
B. Ozone depletion
C. Deforestation
D. Photosynthesis
|
| 3 | A relationship where two species live togetehr closely is called. |
A. Mutualism
B. Commensalism
C. Symbiosis
D. Hebitate
|
| 4 | All the food chains are joined together to form ..... |
A. Food web
B. Ecologicla pyramid
C. Tropicla level
D. None of these
|
| 5 | A relationship where two species live together closely is called |
A. Symbiosis
B. Predation
C. Competitor
D. None of these
|
| 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 energy of the Sun in traped as chemical energy by. |
A. Tertiary consumers
B. Primary consumers
C. Producers
D. Secondary consumers
|
| 8 | Green house gases is |
A. Carbon di oxide
B. Methane
C. Oxides of nitrogen
D. All these
|
| 9 | The feeding level of an organism in an ecosystem is called. |
A. Food Web
B. Food chain
C. Trophical level
D. Secession level
|
| 10 | During respiration by the animals, whihc gas is released into the atmosphere. |
A. Nitrogen
B. Oxygen
C. Carbon Di oxide
D. Hydrogen
|
Test Questions