What Is Puberty

Q.

Androgens in males perform various functions. Given below is a list of functions, choose the function which is NOT stimulated by androgens.

1. Stimulate growth of facial and axillary hair

2. Catabolic effect on protein and carbohydrate metabolism

3. Stimulate musculature and low pitch voice

4. Influence libido

Q.

Puberty is the time in life when a boy or girl becomes sexually mature.

1. True

2. False

Q.

Is testosterone an androgen?

Q. Complete the following sentences by writing the correct words:
(ii) _________ marks the beginning and attainment of sexual maturity.

Q. Use the given diagram to answer these questions. Which labelled structure secretes hormones that cause the changes that occur in the female body during puberty?

1. W
2. X
3. Y
4. Z

Q.

Dramatic changes of the body features associated with puberty are mainly due to secretion of

1. Oestrogen from the testes and testosterone from the ovary.

2. Oestrogen from the adrenal gland and testosterone from the pituitary gland.

3. Testosterone from the testes and Oestrogen from ovaries.

4. Testosterone from the thyroid gland and Oestrogen from the pituitary gland.

Q. Puberty in females is marked by the onset of .

1. parturition
2. micturition
3. menstruation
4. childbirth

Q. Give a note on mind mapping of Adolescence.

Q. Which of these is wrongly matched?

1. ICSI–Sperm directly injected into ovum
2. ZIFT- Zygote or early embryo with upto 8 blastomeres is transferred into the Fallopian tube of female
3. GIFT–Embryo with more than 8 blastomeres transferred into fallopian tube of female
4. IVF–Fertilization outside the body

Q.

Which of the following is not true?

1. Primary and Secondary sexual characters differentiates humans into sexually dimorphic species

2. Secondary sexual characters are not directly related to production of gametes

3. Primary sexual characters are present from birth

4. Secondary sexual characters includes the ovaries and penis

Q.

Which of the following are secondary sexual characters in females?

1. Sudden increase in height

2. Widening of hips and breast development

3. Pubic hair and high pitch voice

4. All of the above

Q. Puberty in females is marked by the onset of .

1. parturition
2. micturition
3. menstruation
4. childbirth

Q. Which of the following phase lies in the lag phase of the human growth rate?

1. Childhood
2. Adulthood
3. Adolesence
4. None of the above

Q. How are general growth and sexual maturation different from each other?

Q. Which among the following is not the function of testes at puberty?​
(i) Formation of germ cells
(ii) Secretion of testosterone​
(iii) Development of placenta​
(iv) Secretion of estrogen​

1. (iii) and (iv)​
2. (i) and (ii)​
3. (i) and (iv)​
4. (ii) and (iii)​

Q. Which among the following are not the functions of testes at puberty?
(i) formation of germ cells
(ii) secretion of testosterone
(iii) development of placenta
(iv) secretion of estrogen

1. (i) and (iii)
2. (i) and (ii)
3. (ii) and (iv)
4. (iii) and (iv)

Q. Enlist any 5 secondary sexual characters observed in male and female human beings.