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

Which of the following organisms reproduces only once in its lifetime?

Is there a relationship between the size of an organism and its life span? Give two examples in support of your answer.

Identify the false statement.

Choose the correct option regarding gametes.

Identify the haploid and diploid structures from the following list:
$I$ - Megaspore mother cell
$II$ - Microspore mother cell
$III$ - Egg cell
$IV$ - Male gamete
$V$ - Synergid
$VI$ - Embryo
$VII$ - Antipodal cell
$VIII$ - Zygote
$IX$ - Megaspore
$X$ - Microspore
Select the correct grouping for Haploid and Diploid structures.