RRB GROUP D Biology Quiz - 36

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Question 1:

From which part of acacia the “kattha” used with betel is obtained?

Question 2:

The deficiency of niacin, a vitamin of B- complex group causes a disease-

Question 3:

What is Pulmonary fibrosis in Human beings?

Question 4:

Lichens are important in the studies on atmospheric pollution because they-

Question 5:

What is the number of “True Ribs”  in the human body?

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