Chemical Coordination and Regulation Question 38
38. Melanin protects us from
(a) U. V. rays
(b) visible rays
(c) infrared rays
(d) X-rays
Show Answer
Answer : a
Hints & Solutions
(a) Melanin is secreted from the intermediate lobe of pituitary. Melanin mainly protects the skin from harmful effects of UV-rays. People living in tropics tend to disperse more melanin in their skin - an adaptive feature.
