Reaching the Age of Adolescence Test

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Reaching the Age of Adolescence Test - 12

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Weekly Quiz Competition

Question 1
1 / -0

The sex chromosomes of both male and female are respectively:

A
YY, XX

B
YX, XY

C
XY, XX

D
All of the above

Solution

All human beings have 23 pairs of chromosomes of which one pair is called the sex chromosome. A female has two X chromosomes but, a male has one X and one Y chromosome. Therefore, the correct option is C.
Question 2
1 / -0

Time that marks the end of menstrual cycles:

A
Menopause

B
Menarche

C
Menstruation

D
Puberty

Solution

The term menopause is commonly used to describe the end of a woman’s menstrual cycle, fertility and the different types of changes a woman experiences. During menopause, the menstrual cycle, fertility and the production of oestrogen and progesterone hormones are completely stopped. This is a natural process in all females and no more related to the disease or infections. It is a biological process that brings an end to a woman’s fertility.
.Hence, the correct option is A.
Question 3
1 / -0

After attaining puberty boys develop ________ voice.

A
Thin

B
High pitched

C
Deep

D
Low pitched

Solution

At puberty, the voice box or the larynx begins to grow. the growing of the voice box in boys can be seen as a protruding part of the throat called Adam's apple. In girls, the larynx is hardly visible from the outside because of its small size. Thus, girls, have a high pitched voice and boys have a deep voice.
So, the correct answer is option C.
Question 4
1 / -0

Changes in growth of children can be determined through

A
Height

B
Weight

C
Both A and B

D
Length

Solution

Height is one of the initial signs which determine changes during puberty. This may be accompanied by the appearance of a small amount of pubic hair, armpit hair, mild acne, and/or body odour.
Question 5
1 / -0

Is the pattern of the increase in height for girls and boys is same for each individual?

A
Yes

B
No

C
May be

D
It depends on food habit
Question 6
1 / -0

Change in voice during puberty is more clearly seen in

A
Boys

B
Girls

C
Both A and B

D
None of the above

Solution

Both, boys and girls experience voice changes as they grow older, but girls' voices get only a little deeper. A boy's voice, on the other hand, may change quite a bit from sounding like a little kid to sounding like somebody's dad.
So, option A is correct.
Question 7
1 / -0

The function of thyroxine hormone in frog is to control _______.

A
Growth hormone

B
Metamorphosis

C
Reproductive organs

D
Endocrine glands

Solution

Thyroxine hormone plays a major role in the metamorphosis of the frog. Metamorphosis is a process which converts larval stage to a tadpole and finally into a frog. It was proved by the ectomy (removal) of the thyroid gland in some larval stages of frog, which showed only very little growth. Hence, it was proved that thyroid gland plays a great role in the metamorphosis of the frog.
Thus, the correct answer is option B.
Question 8
1 / -0

Adolescence is _________.

A
The time for growth spurts and puberty changes

B
The time of puberty

C
The time of reproductive cycle

D
All of the above
Solution
- Adolescence is the period of life when the body undergoes changes, leading to reproductive maturity. The period following the onset of puberty during which a young person develops from a child into an adult is called adolescence.
- It is marked by accelerated physical growth, development of reproductive organs, and changes in the functioning of the neuroendocrine system.
Thus, the correct answer is option A.
Question 9
1 / -0

After the rain, tadpoles were found swimming in a pond but not the frogs. This is due to:

A
Lack of pituitary hormones

B
Lack of sex hormones

C
Lack of thyroxine

D
Lack of nitrogen in water

Solution

Tadpole is one of the developmental stages in the life cycle of frogs. The larvae are free-swimming forms which are found in the water. The larvae get metamorphosed to form the adult frog. The thyroid hormones are required for the control and regulation of the events which take place during metamorphosis.
Thus, the correct answer is option C.
Question 10
1 / -0

An unfertilized human ovum has:

A
X and Y chromosomes

B
X and X chromosomes

C
X and Y chromosomes

D
One X chromosome

Solution

All human beings have 23 pairs of chromosomes in the nuclei of their cells. One pair of chromosomes is the sex chromosome i.e. X and Y.
A female has two X chromosomes, while a male has one X and one Y chromosome.
The gametes i.e. egg and sperm have only one set of chromosomes. The unfertilized egg always has one X chromosome, whereas, there are 3 types of male gametes, a few have X chromosomes and a few have Y chromosomes.
So, the correct answer is option D.

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Re-Attempt Weekly Quiz Competition

Reaching the Age of Adolescence Test - 12

Result

Reaching the Age of Adolescence Test - 12

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SHARING IS CARING

Question 1

YY, XX

YX, XY

XY, XX

All of the above

Solution

Question 2

Menopause

Menarche

Menstruation

Puberty

Solution

Question 3

Thin

High pitched

Deep

Low pitched

Solution

Question 4

Height

Weight

Both A and B

Length

Solution

Question 5

Yes

No

May be

It depends on food habit

Question 6

Boys

Girls

Both A and B

None of the above

Solution

Question 7

Growth hormone

Metamorphosis

Reproductive organs

Endocrine glands

Solution

Question 8

The time for growth spurts and puberty changes

The time of puberty

The time of reproductive cycle

All of the above

Solution

Question 9

Lack of pituitary hormones

Lack of sex hormones

Lack of thyroxine

Lack of nitrogen in water

Solution

Question 10

X and Y chromosomes

X and X chromosomes

X and Y chromosomes

One X chromosome

Solution

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