Even in the absence of pollinators,assured seed set will be there in

Statement $(X)$: Endosperm is formed before fertilization.
Statement $(Y)$: Double fertilization is observed.

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.

Which one of the following statements is wrong?

Identify the correct sequence of events in the life cycle of a flowering plant.

Which of the following plants produce seeds and possess a pollen tube?