What is the number of meiotic divisions required to produce $100$ seeds in the family Cyperaceae?

Draw a chart of the life cycle in angiosperms.

Rose plants produce large,attractive bisexual flowers but they seldom produce fruits. On the other hand,a tomato plant produces plenty of fruits though they have small flowers. Analyze the reasons for the failure of fruit formation in rose.

How does vegetative propagation occur in Agave?

Identify the false statement.

Choose the correct option for the given statements:
$(i)$ In western countries, a large number of pollen products in the form of tablets and syrups are available in the market.
$(ii)$ In rice and wheat, pollen grains lose viability within $30$ months of their release.
$(iii)$ Pollen grains are stored at room temperature for future use.
$(iv)$ Pollen grains are released from the seeds of wheat and rice.