Given ahead is a diagrammatic sketch of the sectional view of a germinating pollen grain. Study the same and then answer the questions that follow : (a) Name the parts labelled 1, 2, 3, 4,and 5 (b) Where does the germination of the pollen grain takes place and how ? (c) What is the function of the part labeller `4' ? (d) What happens to the part labelled '5' during the process ?
(a) Which process is being tested in the activity? (b) What is the result of the activity? Give reasons.