Question

(a) Coconut palm is monoecious, while date palm is dioecious. Why are they so called?
(b) Draw a labelled diagram of sectional view of a mature embryo sac of an angiosperm.

Answer 1

(a) Coconut palm is monoecious because both male and female flowers are borne on the same plants. Date palm is dioecious because these plants bear either male or female flowers exclusively.

(b) Diagram as shown above