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Biology 9th Class English Medium Online Test MCQs With Answers
Question # 1
Which of the following does not occur in the oral cavity?
Choose an answer
Lubrication of the food
Beginning of protein digestion
Breaking the food into small fragments
All of the above do occur in the oral cavity
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Question # 2
Chromatids get separated form each other during:
Choose an answer
Prophase
Telophase
Anaphase
Metaphase
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Question # 3
The first step in the cycle of an enzyme is;
Choose an answer
Substrate binds to enzyme
Substrate converted
Products released
Enzyme become free
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Question # 4
There are _______________ chromosomes in onion.
Choose an answer
46
18
16
23
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Question # 5
Endoplasmic Reticulum is of .................. types.
Choose an answer
1
2
3
4
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Question # 6
The exchange of materials between the blood and the surrounding tissues occurs in:
Choose an answer
Arteries
Veins
Capillaries
All of the above
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Question # 7
The number of marine fish is 400 while fresh.
Choose an answer
190
400
450
480
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Question # 8
Crossing occurs during ..................... .
Choose an answer
Meiosis
Mitosis
Meiosis II
None
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Question # 9
Ribosomes are constructed in the ______.
Choose an answer
Endoplasmic reticulum
Nucleoid
Nucleolus
Nuclear pore
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Question # 10
_____________is the basic and smallest unit of classification.
Choose an answer
Species
Genus
Class
Order
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Question # 11
Who described cells first?
Choose an answer
Robert Hooke
Leeuwenhook
Robert Brown
Scheiden & Schwann
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Question # 12
Which one of these elements has the highest percentage in livhg organisms.
Choose an answer
Carbon
Hydrogen
Oxygen
Nitrogen
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Question # 13
Arteries can be divided into ........... types.
Choose an answer
Two
Three
Four
Five
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