The external stimulus which induces cleavage in an unfertilized ovum is called:

What are meiocytes?

Which organism does not have heterogametes?

Reproduction without the fusion of gametes $- P$
Reproduction involving the fusion of gametes $- Q$
Choose the correct option for $P$ and $Q$.
$\quad\quad \quad P \quad\quad\quad \quad Q$

$A$ bacterial cell divides every minute. It takes one hour to fill up a cup. How much time will it take to fill half the cup?

$Statement\; 1$: $A$ plant can be retained and multiplied indefinitely without any change or variation through asexual reproduction.
$Statement\; 2$: Asexual reproduction does not involve meiosis and syngamy.