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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
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980
Question # 3
Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.
Question # 4
During the combustion of fossil fuel. Which gas is ener the atmosphere.
Question # 5
Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.
Question # 6
Organism in ecologicla communits interact with one anothe rin....... major ways.
Question # 7
Which factor is responsible for ecological imbalance.
Question # 8
Ozone is a layer of gases in ............. atmosphere of the Earth.
Question # 9
The organisms upon whihc a redator feeds are called.
Question # 10
Green house gases is
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 | The feeding level of an organism in an ecosystem is called. |
A. Food Web
B. Food chain
C. Trophical level
D. Secession level
|
| 2 | A food chain starts from the.......... |
A. Primary carnivores
B. Herbivores
C. Producers
D. Top carnivores
|
| 3 | Green house gases is |
A. Carbon di oxide
B. Methane
C. Oxides of nitrogen
D. All these
|
| 4 | Organism in ecologicla communits interact with one anothe rin....... major ways. |
A. Two
B. three
C. Four
D. Five
|
| 5 | ------------- gas is released when dead organisms are decomposed by the decomposers. |
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
|
| 6 | Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called. |
A. Food Chian
B. Ecological pyramid
C. Trophic level
D. Predation
|
| 7 | Which factor is responsible for ecological imbalance. |
A. Over hunting
B. Change in water supply
C. Migration
D. All these
|
| 8 | A relationship where two species live togetehr closely is called. |
A. Mutualism
B. Commensalism
C. Symbiosis
D. Hebitate
|
| 9 | The phenomenon which doe snot lead to global warming. |
A. Green hous effect
B. Ozone depletion
C. Deforestation
D. Photosynthesis
|
| 10 | 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
|
Test Questions
Share your comments & questions here
Arfa jamal
29 Sep 2019Ye eng me science k mcqs open nahe horaha I need mcqs in eng
M.Shakeel
01 May 2019Useful
Arwa
06 Apr 2019مجھے سائنس کی تیاری کرنی ہے مگر یہاں کچھ سمجھ نہی آرھا
imtiaz alam
24 Feb 2019very nic
ali
03 Feb 2019very nice