RRB GROUP D Biology Quiz - 39

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Question 1:

By which of the following the Sound in humans is produced by ?

Question 2:

Which of the following tooth is also known as Cuspid?

Question 3:

How many bones are present in the human Skull?

Question 4:

Which of the following has the largest population in the food chain?

Question 5:

The Limb bones of children become bent if there is deficiency of vitamin-