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9th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
What is True about enzymes?
Choose an answer
They make biochemical reactions to proceed spontaneously
They lower the activation energy of a reaction
They are not very specific in their choice of substrates
They are needed in large quantities
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Question # 2
In which season Houbara bustard migrates to Pakistan and settles here?
Choose an answer
Summer
Spring
Autumn
Winter
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Question # 3
Taxon of Order was introduced by:
Choose an answer
Carolous linnaeus
John Ray
Augustus Rivinus
Aristole
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Question # 4
In the stomach pepsinogen is converted into:
Choose an answer
Pepsin
Bicarbonate
HCl
GAstrin
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Question # 5
Minimum energy required to start a chemical reaction is called:
Choose an answer
Potential energy
Chemical energy
Activation energy
All are same
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Question # 6
The process of breaking down large droplets of fat into small droplets of fat is called:
Choose an answer
Emulsification
Absorbtion
Peristalsis
Digestion
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Question # 7
Catabolism constitutes ................. processes.
Choose an answer
Constructive
Destructive
Both a & b
None
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Question # 8
Specific enzymes are synthesized in:
Choose an answer
G
0
G
2
G
1
S phase
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Question # 9
What may be the reason that children need more calcium and iron?
Choose an answer
Both calcium and iron for bones
Both calcium and iron for blood
Calcium for blood and iron for bones
Calcium for bones and iron for blood
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Question # 10
When A.F.A King did work on Malaria?
Choose an answer
1880
1881
1882
1883
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Question # 11
The water and carbon dioxide are the ................ in photosynthesis.
Choose an answer
Reactants
Products
Both
None
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Question # 12
The hepatic portal vein caries blood from the ____________ to the _______.
Choose an answer
Small intestines, liver
Small intestines, heart
Liver, heart
Small intestines, colon
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Question # 13
Inactive pepsinogen in juice require ___________ for its activated form (pepsin)
Choose an answer
H2SO4
HCl
HNO3
Saliva
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