The two common changes that appear specifically in human males during adolescence are:

Deepening of voice and appearance of facial hair

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Increase in breast size and formation of pimples

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Shallow voice and development of reproductive organs

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Darkening of skin and hips become wider

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Solution

The correct option is A Deepening of voice and appearance of facial hair
The common changes that appear in human males during the adolescent period are the deepening of the voice and the appearance of facial hair on the body.
An increase in breast size and hips becoming wider are the changes observed in females.
While the formation of pimples and the development of reproductive organs are common changes in both males and females.

Option "A" is correct.

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Similar questions

Q. During adolescence, the body of boys and girls undergoes certain changes. Given below are a few of those changes. Find which changes occur in boys:

(a) Broad shoulders

(b) Wider chests

(d) Development of muscles

(e) Development of mammary glands

(f) Growth of facial hair

(g) Acne and pimples on the face

(h) Development of sex organs

(i) High-pitched voice

(j) Growth of pubic hair

1. MALE- Cracking of voice, appearance of beard, secretion of testosterone, growth of hair in armpit. FEMALE- onset of monthly periods, enlargement of breasts, appearance of hair in armpits, widening in hip region.

2. MALE- growth of hair on scalp, excess secretion of digestive enzymes, increase in circulation in skin, enlargement of voice box. FEMALE- More secretion of keratin for hair growth, lightening of skin, more secretion of salivary amylase, darkening of pupil in eyes.

Which of the above are true in regards to sexual maturation?

Question 19
During adolescence, the body of boys and girls undergo certain changes. Given below are a few of those changes.

(a) Broad shoulders
(b) Wider chests
(c) Wider region below waist
(d) Development of muscles
(e) Development of mammary glands
(f) Growth of facial hair
(g) Acne and pimples on face
(h) Development of sex organs
(i) High-pitched voice
(j) Growth of pubic hair.

Categorize these changes into those that occur in boys and those that occur in girls and fill in the table given below.

Q. Question 22
During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys

(a) loss of milk teeth
(b) increase in height
(c) cracking of voice
(d) weight gain

(a) State two secondary sexual characteristics in mature boys and two in mature girls.

(b) Which of the following are secondary sexual characteristics ?

Ovaries, Moustache, Penis, Broad hips, Vagina, Beard, Breasts, Adam's Apple, Wide shoulder, Uterus, Tastes, Deeper voice.

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