Match the following columns:

Column-$I$	Column-$II$
$(a)$ $PEN$	$(1)$ Heart-shaped stage
$(b)$ $PEC$	$(2)$ Coconut water
$(c)$ Cotyledon	$(3)$ White kernel of coconut
$(d)$ Dicot embryo	$(4)$ Scutellum

Select the correct option from the following statements regarding pollen grains:
$I -$ Pollen grains are rich in nutrients.
$II -$ In recent years,pollen tablets have been used as food supplements.
$III -$ In western countries,a large number of pollen products are available in the market in the form of tablets and syrups.
$IV -$ Pollen consumption has been claimed to increase the performance of athletes and racehorses.
$V -$ Pollen grains can germinate on the stigma after losing their viability.

How many of the following statements are true about angiosperms?
$A$. The generative cell floats in the cytoplasm of the vegetative cell.
$B$. The stalk of the ovule is called the funiculus.
$C$. Pollen grains are shed at the two-celled stage.
$D$. The embryo sac is diploid.
$E$. The megaspore mother cell towards the chalazal end becomes functional.

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

Which plant can propagate vegetatively at a phenomenal rate and spread all over the water body in a short period of time?

Choose the correct option with respect to the type of division during gamete formation and the type of division in the zygote for organisms having a haplontic life cycle,respectively.