Secondary Sexual Characteristics

Q. Why is pituitary gland called the master gland??

Q.

Women tend to have wider hips which start developing at puberty. Select the correct reason for this.

1. It just serves the purpose of giving shape to the body

2. It helps in childbirth

3. Wider hips help in better movement

4. None of these

Q.

Which of the following is not a secondary sexual character in males?

1. Enlarged larynx and deeper voice.

2. Development of facial hair.

3. High pitch voice.

4. Enlarged penis.

Q.

Which of the following are secondary sexual characteristics?

1. Growth of pubic hair

2. Deepening of voice

3. Growth in height

4. Widening of hips

Q.

Give the brief explanation of all the hormones in males and females respectively with their diagram.

Q.

Difference between Testosterone & Estrogen

Q.

At what age do boys stop growing?

Q.

Write note on:

Secondary sexual characters

Q.

Which hormone is called ‘birth hormone’?

Q.

Name the hormone which develops secondary sexual characteristics :

(a) in females (girls).

(b) in males (boys).

Q.

What hormone stimulates cell division in humans?

Q. Which is the male gonad?

1. Hair
2. Chest
3. Moustache
4. Testes

Q. Assertion: The name 'master endocrine gland of body' is given to the pituitary gland.
Reason: Hypothalamus controls over the master gland.

1. Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
2. Both Assertion and Reason are false
3. Both Assertion and Reason are true, but Reason is the correct explanation of Assertion
4. Assertion is true, but Reason is false

Q.

Name the gland which regulates the secretion of hormones from the male and female gonads. Also, mention the function of male and female sex hormones. [3 MARKS]

Q.

Which of the following is the secondary sexual characteristic in females ?

(a) low pitched voice (b) broadening of chest

(c) broadening of hip (d) developing Adam's apple

Q. ________ gland is also called as "Master gland".

1. Thymus
2. Pituitary
3. Thyroid
4. Adrenal

Q.

Which of the following are secondary sexual characteristics?

1. Mammary glands in girls

2. Growth of facial hairs in boys

3. Acnes in both boys and girls

4. All of the above

Q.

The sex hormones, _______________________ and estrogen are responsible for the development of __________ characters.

Q.

(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.

Q. (b) Name two things which may develop on the face of adolescent boys and girls during puberty due to the increased activity of sebaceous glands and sweat glands in the skin.​

Q.

(a) What is the effect of a larger voice box in grown up boys ?

(b) What is the effect of a smaller voice box in grown up girls ?

Q. State whether the following statements are true or false:
Statement 1: Testes and ovaries are primary sexual characters.
Statement 2: Growth of facial hair is a secondary sexual character in males.

1. Statement 1: True; Statement 2: False
2. Statement 1: False; Statement 2: True
3. Statement 1: True; Statement 2: True
4. Statement 1: False; Statement 2: False

Q.

What name is given to those sexual characteristics in humans :

(a) which are present in babies at birth?

(b) which develop in mature boys and girls?

Q. During puberty, the voice of boys and girls tend to change ________ and _______, respectively.

1. shrill and deep
2. deep and shrill
3. high-pitched and low-pitched
4. soft and hoarse

Q.

What causes male voices to crack during puberty?

1. Windpipe becoming wider

2. Vocal cords shortening

3. Vocal cords thickening

4. Short time allergy to testosterone

Q.

Identify the female secondary sexual characteristic from the following:

1. Voice becomes shrill

2. Voice becomes hoarse

3. Growth of Adam's apple

4. Growth of hair on the chest

Q.

The function of prostate glands is production of _______.

1. Insulin

2. Urine

3. Alkaline nourishing secretions

4. Thyroxine

Q. $\left(a\right)$ State two secondary sexual characteristics in mature boys and two in mature girls.

Q. What are sex hormones? Why are they named so? State their functions.

Q. What are the secondary sexual characters in male and female?