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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10

Read the following passage and answer the question that follows: What is first menstruation called? When does it occur? - Science

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Question

Read the following passage and answer the question that follows:

Rahini and her parents were watching a television programme. An advertisement flashed on the screen which was promoting the use of sanitary napkins. Rahini’s parents suddenly changed the channel, but she objected to her parents and explained the need and importance of such an advertisement.

What is first menstruation called? When does it occur?

One Line Answer

Solution

The first menstruation is called Menarche. In human females, the menstrual cycle starts at the age of 11 – 13 years which marks the onset of puberty.

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Chapter 17: Reproduction in Plants and Animals - Evaluation [Page 258]

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Samacheer Kalvi Science [English] Class 10 SSLC TN Board
Chapter 17 Reproduction in Plants and Animals
Evaluation | Q VIII. 3. a) | Page 258
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