Write a note on agents of pollination.

Explain the process of fertilization in plants?

Government has brought in lot of measures to focus on health of a pregnant woman. Answer the following questions based on the same
(a) Name the tissue responsible for transfer of nutrients from mother to the offspring during pregnancy.
(b) Suggest two measures to maintain a woman's health during pregnancy.

Arun and Ram were good friends. But Ram slowly started loosing interest in studies as they grew up. The teacher found out that Ram had three siblings and their parents could not give him good food or personal care. What value does this episode give us.

My friend Manisha received a marriage proposal from a boy living abroad. Before they met and finalised the wedding, Manisha requested her parents to get the boy's blood test report.
(i) Do you think blood test report is necessary for both boy & girl?  
(ii) Do you think, blood test report is not " necessary for the boy living in India?

With a neat labelled diagram describe the parts of a typical angiospermic ovule.

What are the phases of menstrual cycle? Indicate the changes in the ovary and uterus.

In angiosperms the pollen germinates to produce pollen tube that carries two gametes. What is the purpose of carrying two gametes when single gamete can fertilize the egg?

Why menstrual cycle does not take place before puberty and during pregnancy?

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 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?
b) List out the napkin hygiene measures taken during menstruation?
c) Do you think that Rahini’s objection towards her parents was correct? If so, Why?