Question
The top part A of the flask-shaped reproductive organ X in the flower of a plant secretes a sugary substance into its lower part B which goes towards the bottom part C of the flask-shaped organ. When a tiny grain D coming from the top part E of another reproductive organ Y in the flower falls on part A, it grows a long tube F through the organ X in response to the sugary substance and reaches the bottom part C of flask-shaped organ to carry out fertilisation.
(c) Name (i) grain D, and (ii) part E of organ Y.