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Online Tests
Biology 9th Class English Medium Chapter 7 Online Test MCQs With Answers
Question # 1
Ribose is a _______ carbon sugar.
Choose an answer
Two
Three
Five
Ten
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Question # 2
Fermenting powers of bacteria are used in making:
Choose an answer
Soya sauce
Bread
Cheese
Cheese and yogurt
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Question # 3
There are ......... types of photosystem.
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One
Two
Three
Four
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Question # 4
Anaerobic respiration occurs in the absence of ............. .
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Oxygen
Carbon
Nitrogen
All
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Question # 5
In which component of the leaf cells, chlorophill is present?
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Stroma
Thylakoids
Plasma membrane
Cytoplasm
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Question # 6
How many molecules of CO
2
are produced when krebs cycle operates once?
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01
02
03
06
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Question # 7
ATP has ........... phosphate group.
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Two
Three
Four
Five
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Question # 8
In which of the following steps of respiration CO
2
is produced?
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Glycolysis
Krebs cycle
Electron transport chain
All of these
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Question # 9
The light reactions of photosynthesis take place on the _____________ of chloroplasts.
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Stroma
Thylakoid membrane
Lumen
Sacs
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Question # 10
ATP molecule was discovered by:
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Fritz Lipmann
Calvin
Karl Lohmann
Hans krebs
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Question # 11
Any environment factor, the absence or deficiency of which can decrease the rate of a metabolic reaction known as:
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Unlimited factor
Limiting factor
Both
None
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Question # 12
The concentration of carbon dioxide in the environment is:
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0.3%
0.03%
3%
3.01%
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Question # 13
Fungi and ___________ bacteria get the prepared food.
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Motile
Non-motile
Phtosynthetic
Non-photosynthetic
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Question # 14
____________ is a co-enzyme.
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NAD
+
NADH
AMP
None
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Question # 15
Electron transport chain takes place in:
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Mitochondria
Cytoplasm
Nucleus
Ribosomes
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Question # 16
Anaerobic respiration is of ......... types.
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Two
Three
Four
Five
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Question # 17
Chlorophyll is present in green plastids of plants called ................ .
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Strome
Chloroplast
Grana
Thylakoid
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Question # 18
The air enters the leaf through __________
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Pits
Stomata
Mesophyll
Xylem vessels
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