The animals which lay fertilized or unfertilized eggs and whose development takes place outside the body of the mother are called:

Assertion $A$: No organism is immortal.
Reason $R$: Death is a mysterious phenomenon.
Which option is correct for Assertion $A$ and Reason $R$?

Which type of reproduction occurs in $Amoeba$ under unfavorable conditions?

Match the following columns:

Column-$I$ (Organisms)	Column-$II$ (Chromosome number in gamete)
$P$. Apple	$I$. $12$
$Q$. Rice	$II$. $10$
$R$. Maize	$III$. $190$
$S$. Potato	$IV$. $17$
$T$. Butterfly	$V$. $24$

The disadvantage of parthenogenesis is:

Choose the correct options from the following:
$I$. Annual and biennial plants show clear-cut vegetative,reproductive,and senescent phases.
$II$. Bamboo species flower only once in their life,generally after $50-100$ years.
$III$. $Strobilanthus$ $kunthiana$ is a monocarpic plant which flowers only once after $12$ years.