Nitsch was able to obtain strawberries of curious shapes by:

Papaya and date palm are examples of .......... plants.

Match the items in Column-$I$ with those in Column-$II$ and select the correct option:

Column-$I$	Column-$II$
$(1)$ Pollination by water	$(a)$ Grass
$(2)$ Pollination by wind	$(b)$ Free-nuclear endosperm
$(3)$ Coconut water	$(c)$ Guava
$(4)$ Fleshy fruit	$(d)$ Hydrilla

The famous embryologist who advanced the science of embryology in India is:

Identify each part in a flowering plant and write whether it is haploid $(n)$ or diploid $(2n)$.
$(a)$ Ovary . . . . . .
$(b)$ Anther . . . . . .
$(c)$ Egg . . . . . .
$(d)$ Pollen . . . . . .
$(e)$ Male gamete . . . . . .
$(f)$ Zygote . . . . . .

Which of the following statements is incorrect?