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Biology

Biology
Goitre is caused by the deficiency of ________

Iodine
Calcium
Chlorine
Zinc

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Biology
How many pair of chromosomes are found in a human cell

27
23
32
18

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Biology
Phycology is the branch of botany in which we study about

Fungi
Algae
Virus
Ecology

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Biology
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to

dicotyledons
gymnosperms
angiosperms
monocotyledons

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Biology
In which phylum nerve cells are found but nerves are absent ?

Coelenterata
Platyhelminthes
Porifera
Nemathelminthes

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Biology
Which one of the following vitamins is known as the anti sterile factor ?

Niacin
Retinol
Riboflavin
Ascorbic acid

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