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Biology 9th Class English Medium Online Test 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
Who suggested the first system of classification of organisms?
Choose an answer
Al-Jahiz
Aristotle
John Ray
Averroes
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Question # 3
The _____________ name begins with a capital letter .
Choose an answer
Generic
Species
Both a and b
None
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Question # 4
The green portion is minaly reflected therefore chlorophull appears .............. .
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Green
Blue
White
Black
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Question # 5
When do the atria contract?
Choose an answer
Before diastole
After systole
During diastole
During systole
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Question # 6
One complete cardiac cycle takes ......... second .
Choose an answer
0.2 sec
0.5 sec
0.8 sec
0.9 sec
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Question # 7
The grater the no. of stomata on leaf , the ............. would be transpiration.
Choose an answer
Higher
Lower
Remain constant
None
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Question # 8
The branch of biology which deals witht he study of nucleic acid is called.
Choose an answer
embryology
Socio biology
Molecular biology
Texonomy
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Question # 9
The that is needed to initiate chemical reaction that energy is called ................... . energy.
Choose an answer
Kinetic
Potential
Activation
None
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Question # 10
Which of the following stage of cell division is very different for animal and plant cells?
Choose an answer
Telophase
Metaphase
Anaphase
Cytokinesis
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Question # 11
Which of these are responsible for blood clotting?
Choose an answer
Platelets
Erythrocytes
Neutrophils
Baseophils
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Question # 12
Frog has two eyes, each of which has
Choose an answer
Two eyelids
Three eyelids
One eyelid
No eyelid
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Question # 13
In binomial nomenclature, the first letter of the _____name is capitalized:
Choose an answer
Family
Class
Species
Genus
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