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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
The phenomenon which doe snot lead to global warming.
Question # 2
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
Question # 3
Which factor is responsible for ecological imbalance.
Question # 4
A relationship where two species live togetehr closely is called.
Question # 5
The feeding level of an organism in an ecosystem is called.
Question # 6
--------occupy the b ase of pyramid.
Question # 7
------------- gas is released when dead organisms are decomposed by the decomposers.
Question # 8
Which is the solution of environmental problems.
Question # 9
The poisonous and harmsful substances which make the air unfavorable for life are called.
Question # 10
Green house gases is
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 | ------------- 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
|
| 2 | A food chain starts from the.......... |
A. Primary carnivores
B. Herbivores
C. Producers
D. Top carnivores
|
| 3 | Organism in ecologicla communits interact with one anothe rin....... major ways. |
A. Two
B. three
C. Four
D. Five
|
| 4 | --------occupy the b ase of pyramid. |
A. Producers
B. Primary canivores
C. Herbivores
D. Top carnivores
|
| 5 | Green house gases is |
A. Carbon di oxide
B. Methane
C. Oxides of nitrogen
D. All these
|
| 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 | During respiration by the animals, whihc gas is released into the atmosphere. |
A. Nitrogen
B. Oxygen
C. Carbon Di oxide
D. Hydrogen
|
| 8 | Consumers that actively hunt other organism are called. |
A. Prey
B. Competitor
C. Predator
D. Symbiont
|
| 9 | 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
|
| 10 | The organisms upon whihc a redator feeds are called. |
A. Prey
B. Carnivores
C. Herbivores
D. Producers
|
Test Questions