Teenagers get acne and pimples on their face due to increased secretion of ________ and ________.
Pimples and acne are fomed due to the increased activity of :
A. Adrenal glands B. Sebaceous glands C. Thyroid gland D. Sweat glands
(a) A and B (b) B and C (c) A and C (d) B and D
Higher number of acne and pimples in teenagers is caused due to the increased activity of sweat and sebaceous glands.