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

The life cycle of an angiosperm is given below. What are $P, Q$ and $R$?
$P \quad Q \quad R$

Assertion $(S)$: Death is a meaningful event.
Reason $(R)$: Death keeps the number of organisms of each species limited.
$(A)$ Both $S$ and $R$ are true,$R$ is the correct explanation of $S$.
$(B)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(C)$ $S$ is true and $R$ is false.
$(D)$ $S$ is false and $R$ is true.

Draw a chart of the life cycle in angiosperms.

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

Cucumber and coconut are examples of ......... plants.