Short Answer Questions Three mark Each
QUESTION FROM STATE BOARD EXAMINATIONS
Write the function of tapetum in anthers.

QUESTIONS FROM STATE BOARD EXAMINATIONS : Write the function of flower.

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS Explain the function of each of the following : (a) Coleorhiza (b) Germ pores

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS (a)Write the characteristic features of anther, pollen and stigma of wind pollinated flowers. (b) How do flowers reward their insect pollinators? Explain.

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS Why are angiospermic anthers called dithecous? Describe structure of its microsporangium.

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS With the help of diagrams describe the three possible routes of entry of pollen tube into the ovule.

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS What is double fertilization in angiosperms?

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS How does pollination occur in Mediterranean orchids?

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS (a) Mention any four strategies adopted by flowering plants to prevent self-pollination. (b) Why is geitonogamy also referred to as genetical autogamy?

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS (a) Describe the endosperm development in coconut. (b) Why is tender coconut considered a healthy source of nutrition?

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS Double fertilization is reported in plants of both, castor and groundnut. However, the mature seeds of groundnut are non-albuminous and castor are albuminuous. Explain the post fertilization events that are responsible for it.