NEET Biology question

MSH of the pars intermedia of the pituitary is responsible for [AIPMT 1988]

(A)Darkening of skin in lower vertebratesCorrect
(B)Light colouration of skin in lower vertebrates
(C)Both A and B
(D)Darkening of skin in human beings

Answer: (A)

Solution

MSH causes dispersion (not aggregation) of melanin granules, so it produces darkening rather than light colouration, ruling out (b) and (c); and in humans it has essentially no such

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Question ID VK-129034