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