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Biology

Biology
The number of chlorplasts in a cell of Spirogyra is

43869
43838
43844
43834

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Biology
In each pollen sacs a large number of pollens or microspores are produced by

Fragmentation
Meiosis
Regeneration
Mitosis

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Biology
Which vitamin is necessary for blood clotting

Vitamin K
Vitamin C
Vitamin A
Vitamin D

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Biology
In case of a heart attack, a hormone is injected as an emergency measure, Which one is it?

Heparin
Thyroxine
Adrenaline
Insulin

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Biology
They form the material which forms skins,muscles ,hair and nails in animals.

Carbohydrates
Fats
Vitamins
Protein

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Biology
Sugar is a component of which of the following?

Lipids
Both B & C
Carbohydrates
Nucleic acids

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