Select the correct option for banana.

Rose plants produce large,attractive bisexual flowers but they seldom produce fruits. On the other hand,a tomato plant produces plenty of fruits though they have small flowers. Analyze the reasons for the failure of fruit formation in rose.

The chances of hereditary and evolutionary changes are higher in species that reproduce through:

In some members of which of the following pairs of families,pollen grains retain their viability for months after release?

Match the following:

Column-$I$	Column-$II$
$(1)$ Germ pore	$(a)$ Lack of sporopollenin
$(2)$ Parthenium	$(b)$ Malva
$(3)$ Self incompatibility	$(c)$ Palms
	$(d)$ Contaminant with imported wheat

How does vegetative propagation occur in Agave?