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Biology 10th Class English Medium Online Test MCQs With Answers
Question # 1
The allele which is not expressed is called.
Choose an answer
Dominant
Phenotype
Genotype
Recessive
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Question # 2
Cytocine always pairs with:
Choose an answer
Guanine
Adenine
Uracil
Thymine
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Question # 3
500,000 sheep brains were required to produce how much miligram human growth hormone?
Choose an answer
5
10
15
20
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Question # 4
An organism that actively hunts other organisms is called.
Choose an answer
Prey
Predator
Parasite
Host
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Question # 5
Insulin and glucagon are produced in the .
Choose an answer
Hypothalamus
Anterior pituitary
Liver
Pancreas
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Question # 6
The process of gaseous exchange involves.
Choose an answer
Break down of C-H bounds to yield energy.
Physical movements that take air ain and our of body
Getting oxygen from the air and removing carbon dioxide
Transport of oxygen by the blood to different parts of the body.
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Question # 7
In human body cells the number of chromosomes present are:
Choose an answer
23
46
52
48
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Question # 8
R-2 means.
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Reduce
Recycle
Renewable
Reuse
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Question # 9
Amount of nitrogen in expired air is:
Choose an answer
70%
80%
79%
4%
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Question # 10
The respiratory disease that is the destruction of the walls of Alveoli is;
Choose an answer
Asthma
Pneumonia
Emphysema
Bronchitis
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Question # 11
What percentage of oxygen inhaled form air during breathing?
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21%
22%
23%
24%
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Question # 12
When Sir Alexander Fleming was awarded by Nobel prize on the discovery of penicillin?
Choose an answer
1881
1955
1945
1912
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Question # 13
A network of all the feeding relationships in an ecosystem is called.
Choose an answer
Food chain
Food web
Trophic level
Energy flow
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