What Is Puberty

Q. What are the Secondary Sexual Characteristics in Male and Female?

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 musculature and low pitch voice

2. Influence libido

3. Catabolic effect on protein and carbohydrate metabolism

4. Stimulate growth of facial and axillary hair

Q. The period during which a person attains sexual maturity is called .

1. Pre-teen
2. Puberty
3. Childhood
4. Senescence

Q.

What is the puberty age in human males?

1. 8-10

2. 10-12

3. 12-14

4. 14-16

Q. Which of the following is not one of the changes during puberty?

1. Change in skin colour
2. Growth of voice box
3. Increase in height
4. Change in shoulder size

Q. Development of secondary sexual characteristics associated with puberty are mainly because of the secretion of from ovary and from testes.

1. estrogen
2. progesterone
3. testosterone
4. aldosterone

Q.

Which one of the following is not true?

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

2. Secondary sexual characters includes the ovaries and penis

3. Primary sexual characters are present from birth

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

Q.

Reasons for the development of secondary sexual characters:

Q. Which of the following changes are observed during puberty?

I. Increase in height.

II. Development of hair in armpits and genital region.

III. Pain in joints and knees.

IV. Head ache and fever.

V. Development of reproductive organs.

1. I, III, IV
2. I, V
3. II, IV
4. I, II, V

Q.

What happens during adolescence stage?

Q.

In which age group, puberty takes place in humans?

1. Adults above 25 yrs

2. Children below 10 yrs

3. Adults above 40 yrs

4. Teenagers of 12-14 yrs

Q. When do the oogenesis and the spermatogenesis initiate in human females and males respectively?

Q. What is the age of puberty in boys and girls?

Q. Movement of sperm is by its _________.

1. middle piece
2. head
3. tail

Q. The human body undergoes several changes during adolescence. These changes mark the onset of

1. Puberty
2. Post adolescence
3. Ageing
4. Prematurity

Q. Which of the following is not one of the changes during puberty?

1. Change in skin colour
2. Growth of voice box
3. Increase in height
4. Change in shoulder size

Q. In males if millions of sperms are produced then in females why only one egg is release per month?? What is the reason that females produce only one egg

Q.

Some snails practice sex change.

1. True

2. False

Q. A behaviour exhibited by one sex to attract the opposite sex is called:

1. Courtship fostering
2. Courtship signalling
3. Cross signalling
4. Mating

Q. Primary sexual characteristics develop after puberty.

1. True
2. False

Q. External or accessory or secondary sexual characters first appear in

1. Puberty
2. Foetus
3. Adulthood
4. Childhood

Q. At the time of puberty, the hormone that triggers changes is

1. Testosterone
2. Estrogen
3. Adrenaline
4. Thyroxine

Q. Which of the following changes are observed during puberty?

I. Increase in height.

II. Development of hair in armpits and genital region.

III. Pain in joints and knees.

IV. Head ache and fever.

V. Development of reproductive organs.

1. I, III, IV
2. I, V
3. II, IV
4. I, II, V

Q.

Name the specific term used for characteristics that help to distinguish adult males from females and give examples of these characteristics as well. [3 MARKS]

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. Secondary sexual characters are associated with production of gametes.

1. False
2. True

Q.

Secondary sex organ is________

1. testis

2. ovary

3. breast

4. vas deferens

Q. Secondary sexual characteristics are the ones that develop in an individual as they mature.

1. True
2. False

Q. The period of life, when the body undergoes changes, leading to reproductive maturity is called as

1. Childhood
2. Teenage
3. Old age
4. Adulthood

Q. During adolescence, an adult gains .......... in height and .......... in weight.

1. 10%, 20%
2. 30%, 60%
3. 25%, 50%
4. 40%, 80%