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9th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The number of bioelemets in nature is.
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13
14
15
16
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Question # 2
Number of discovered enzymes are:
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200
2000
3000
3500
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Question # 3
................. in blood stream plays an important role in blood clotting.
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Calcium
Phosphorus
Nitrogen
Potassium
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Question # 4
Non-protein part of enzymes are:
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Inhibitors
Substrate
Cofactors
Coenzymes
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Question # 5
In the stomach, pepsinogen is converted into;
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Pepsin
Bicarbonate
HCI
Gastrin
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Question # 6
............... is abbreviated from Adenosine Tri Phosphate.
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ATP
ADP
AMP
All
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Question # 7
A testable statement is (a/an)
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Observation
Hypothesis
Theory
Law
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Question # 8
The clusters of photosynthetic pigments are called:
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Thylakoids
Photosystems
Carotenoids
Chlorophyll a & b
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Question # 9
Ribose is a _______ carbon sugar.
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Two
Three
Five
Ten
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Question # 10
Which event distinguishes meiosis form mitosis?
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Condensation of chromosomes
Loss of the nuclear membrane
Formation of metaphase plate
Pairing of homologous chromosomes
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Question # 11
When we add more substrate to an already occuring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?
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All actives sites have been occupied by substrate molecules
The enzyme molecule have denatured
More substrate acted as inhibitor
More substrate has disturbed has disturbed the pH of the medium
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Question # 12
In this phase of Interphase the cell prepares proteins for the production of spindle fibres.
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G2 phase
G O phase
S phase
G I Phase
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