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9th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Which organelles have their own DNA?
Choose an answer
Chloroplast
Mitochondria
Both
None
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Question # 2
Enzymes are ............. catalysts.
Choose an answer
Inorganic
Organic
Both a & b
None
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Question # 3
Forests are the source of:
Choose an answer
Drugs
Fuel
Timber
All of these
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Question # 4
Valves to prevent the backflow of blood are found in the:
Choose an answer
Arteries
Veins
Capillaries
All of the above
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Question # 5
Stomata close when guard cells:
Choose an answer
Loss water
Gain chloride ions
Become turgid
Grain potassium ions
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Question # 6
Who used the term enzyme first time?
Choose an answer
Oscar Hertwing
Winhelm kuhne
W-Flemming
T.H.Morgan
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Question # 7
The air enters the leaf through __________
Choose an answer
Pits
Stomata
Mesophyll
Xylem vessels
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Question # 8
Stomata close when the guard cells;
Choose an answer
Lose water
Gain chloride ions
Became turgid
Gain potassium ions
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Question # 9
Unicellular is.
Choose an answer
Rabbit
Euglena
Horse
Frog
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Question # 10
The percentage of inorganic salts and in the plasma is:
Choose an answer
0.6
0.7
0.8
0.9
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Question # 11
How many kinds of organisms inhabit the earth?
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1 million
5 million
10 million
10 billion
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Question # 12
................. is called power house of cell.
Choose an answer
Mitochondria
Cell wall
Nucleus
Vaculoe
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