Adolescence is the period of life between _____________ years of age.

(a)

10 to 16

(b)

11 to 17

(c)

11 to 19

(d)

11 to 20

During puberty, the region below the waist become wider in _____________

(a)

boys

(b)

girls

(c)

Both a and b

(d)

None of these

Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.

(a)

sweat

(b)

sebaceous

(c)

sweat and sebaceous

(d)

None of these

___________ are the chemical substances, secreted by endocrine glands.

(a)

Hormones

(b)

Enzymes

(c)

Proteins

(d)

Fatty acids

During menstruation, the progesterone level is ___________

(a)

decreased

(b)

increased

(c)

ceased

(d)

normal