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 Write the function of tapetum in anthers.

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 the pollen mother cell develop into mature pollen grain? Illustrate the stages with labelled diagrams.

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.

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?

Very Short Answer Questions A. QUESTIONS FROM STATE BOARD EXAMINATIONS What is totipotency?

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS Discuss structure of monocotyledonous embryo.

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS Differentiate between autogamy and geitonogany.

Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS Make a list of any three outbreeding devices that flowering plants have developed and explain how they help to encourage cross-pollination.

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