Ncert Exercises & Solutions

Select the right match of the endocrine gland and their hormones among the options given below:

Column I

Column II

A. Pineal

B. Thyroid

C. Ovary

D. Adrenal medulla

1. Epinephrine

2. Melatonin

3. Estrogen

4. Tetraiodothyronine

Codes

Options:	A	B	C	D
1.	4	2	1	3
2.	2	4	1	3
3.	3	2	1	4
4.	2	4	3	1

(d) Pineal gland secretes a hormone called melatonin. It is involved in regulating biological rhythm and sleep-wake cycle.

Thyroid gland secretes a hormone called tetraiodothyronine. It primarily regulates metabolism of body.

Ovary secretes estrogen which is involved in growth and stimulation of female secondary sex organs and also in the development of growing ovarian follicles.

Adrenal medulla secretes epinephrine and norepinephrine in response to stress or in any kind of emergency situations.

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