Everyday Science

Q21

The number of chromosomes present in a man, including the two (X&Y), which determine the sex of an organism are:

Q24

What is/are the basic purpose(s) of dams?

Q26

A convex mirror always ___________ ?

Q27

Mud homes are cooler in summers and warmer in winters as compared to brick houses because:

Q30

Lathyrism is nervous disease caused by________________?

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