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Biology

Biology
PH of human blood is

9
7.5 - 8.0
6.2
7.4

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Biology
Biological catalysis in living organisms are known as

Enzymes
Hormones
Steroids
Vitamins

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Biology
Night blindness is cause by lack of which vitamin?

Vitamin A
Vitamin D
Vitamin B
Vitamin C

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Biology
Scientist who is known as father of Botany

Theophrastus
Aristotle
Darwin
Linneus

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Biology
Which tissue makes the plant hard and stiff?

Xylem
Collenchyma
Parenchyma
Sclerenchyma

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Biology
Accumulation of which one of the following in the leads to cramp?

Pyruvic acid
Glucose
Ethanol
Lactic acid

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