1. Which endocrine gland produces melatonin?
(a) Pineal gland
(b) Thymus
(c) Pituitary gland
(d) Adrenal cortex

2. What is the enzyme that is in stomach acid called? (CTS 2017) (PTS 2017) (NTS 2015)
(a) Amylase
(b) Pepsin
(c) Maltase
(d) None of these

3. The gastric glands in the stomach produce which enzyme? (UTS 2017)
(a) Ptyalin
(b) Pepsin
(c) Tropism
(d) Insulin

4. Bile is produced by (NTS 2015) (PTS 2017)
(a) Liver
(b) Pancreas
(c) Salivary gland
(d) Stomach

5. Which human gland does secret growth hormone? (NTS 2015)
(a) Pancreas
(b) Thalamus
(c) Pituitary Gland
(d) Liver

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