In the context of human reproductive… - NCERT Class 8 Science MCQ

NCERT Class 8 Science — Chapter 4: Reaching the age of adolescence

mcqeasy

In the context of human reproductive health, what does the term "Menarche" signify?

NCERT textbook question

From NCERT Science - class 8 · Page 6

Options

AThe onset of menstruation at puberty.
BThe fertilization of the egg in the oviduct.
CThe permanent cessation of menstruation.
DThe monthly release of an egg from the ovary.

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Solution

The correct option is

The onset of menstruation at puberty.

Explanation

Menarche is the technical term used to describe the first occurrence of menstruation in a human female. It marks the onset of puberty and indicates the beginning of the reproductive phase in a female's life.

The permanent cessation of menstruation. is incorrect: The permanent cessation of menstruation, which typically occurs around the age of 45 to 50 years, is termed Menopause. This marks the end of the reproductive phase.
The onset of menstruation at puberty. is correct: Menarche signifies the commencement of the menstrual cycle, usually occurring between 10 to 15 years of age.
The monthly release of an egg from the ovary. is incorrect: The process of the release of an ovum (egg) from the ovary is known as Ovulation.
The fertilization of the egg in the oviduct. is incorrect: The process where a sperm fuses with an ovum is called Fertilization.

Key Takeaway: Menarche represents the beginning of female reproductive life, while Menopause represents its conclusion.

Your note

More from Chapter 4: Reaching the age of adolescence

With reference to the "Adam's apple", consider the following statements: 1. It is the protruding part of the throat caused by the enlarged voice box. 2. It is more visible in girls than in boys. 3. It is associated with the high-pitched voice in children. Which of the statements given above is/are correct?

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Which one of the following endocrine glands is often referred to as the "master gland"?

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The medical condition "Diabetes mellitus" is primarily caused by the deficiency or malfunction of which hormone?

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With reference to the onset of menstruation, consider the following statements: 1. The first menstrual flow which begins at puberty is termed menarche. 2. Menstruation occurs once in about 10 to 15 days. 3. At 45 to 50 years of age, the menstrual cycle stops, which is termed menopause. Which of the statements given above are correct?

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With reference to the sebaceous glands, consider the following statements: 1. They are also known as oil glands. 2. Their secretion decreases during puberty. 3. Their increased activity prevents the formation of acne. Which of the statements given above is/are correct?

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Keep practising Chapter 4: Reaching the age of adolescence

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