Question

Study the diagram given below showing the modes of pollination. Answer the questions that follow. (i) The given diagram shows three methods of pollen transfer in plants. Examine them carefully and write the technical terms used for pollen transfer methods '1', '2' and '3'. (ii) How do the following plants achieve pollination successfully ? (a) Water lily (b) Vallisneria (iii) Write advantages of pollen transfer in method '3'.

Mention any four strategies adopted by flowering plants to prevent self-pollination.

Student to attempt either option-(A) or (B) :

Given below are the events that are observed in an artificial hybridisation programme. Arrange them in the correct sequential order and select the correct option. (i) Re-bagging (ii) Selection of parents (iii) Bagging (iv) Dusting the pollens on stigma (v) Emasculation (vi) Collection of pollens from male parent