Which of the following is true for a syncytium?

$(1)$ Definition / Explanation: Mitosis
$(2)$ Definition / Explanation: Meiosis

In ...$A$.... phase,there is synthesis of $RNAs$ and proteins that are needed for cell growth and replication of $DNA$. While it is ...$B$... phase,where synthesis of protein occurs that is needed for spindle formation and mitosis to continue.
Identify $A$ and $B$ to complete the given statement.

Which of the following figures represents the telophase stage?

Match the following events that occur in their respective phases of cell cycle and select the correct option:

Column $I$	Column $II$
$(a)$ $G_{1}$ phase	$(i)$ Cell grows and organelle duplication
$(b)$ $S$ phase	$(ii)$ $DNA$ replication and chromosome duplication
$(c)$ $G_{2}$ phase	$(iii)$ Cytoplasmic growth
$(d)$ Metaphase in $M$-phase	$(iv)$ Alignment of chromosomes

"Endomitosis" refers to