EASY
10th Tamil Nadu Board
IMPORTANT
Earn 100

The luteal phase of the menstrual cycle is also called the secretory phase. Give reason.

Important Questions on Reproduction in Plants and Animals

EASY
10th Tamil Nadu Board
IMPORTANT
Why are family planning methods not adopted by all the people of our country?
HARD
10th Tamil Nadu Board
IMPORTANT
With a neat labelled diagram describe the parts of a typical angiosperm ovule.
HARD
10th Tamil Nadu Board
IMPORTANT
What are the phases of the menstrual cycle? Indicate the changes in the ovary and uterus.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
In angiosperms, the pollen germinates to produce a pollen tube that carries two gametes. What is the purpose of carrying two gametes when single gamete can fertilize the egg?
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Why menstrual cycle does not take place before puberty and during pregnancy?
EASY
10th Tamil Nadu Board
IMPORTANT

Read the following passage and answer the questions that follow

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 advertisement.

a) What is first menstruation called? When does it occur?

EASY
10th Tamil Nadu Board
IMPORTANT

Read the following passage and answer the questions that follow

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 advertisement.

b) List out the napkin hygiene measures taken during menstruation.

EASY
10th Tamil Nadu Board
IMPORTANT

Read the following passage and answer the questions that follow

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 advertisement.

c) Do you think that Rahini's objection towards her parents was correct? Is so, why?