List the possible external agents of pollination.

What is pollination?

Name various agencies of pollination.

Give advantages of self pollination.

Long Answer Questions Five mark Each QUESTIONS FROM STATE BOARD EXAMINATIONS : Three different flowers are given to you in the practical class: (i) Maize (ii) Vallisneria (iii) Rose You are asked to group them on pollinating agents. Describe the adaptations of each flower related with agents of pollination.

Give advantages of cross-pollination.

What are possible types of pollination in chasmagamous flowers. Give reasons.

The bulb does not glow in the setup. List the possible reasons. Explain you answer.