Choose the odd one with respect to the medium through which male gametes are transferred.

Angiospermic plants are characterised by:
$I.$ Double fertilisation
$II.$ Triploid endosperm
$III.$ Diploid endosperm
Choose the correct option from the following regarding the above statements.

From the processes given below,how many are associated with post-fertilisation events?

Match the following columns:

Column-$I$ (Pre-fertilization)	Column-$II$ (Post-fertilization)
$P$. Ovule	$I$. Fruit
$Q$. Integument	$II$. Embryo
$R$. Ovary	$III$. Seed
$S$. Ovary wall	$IV$. Pericarp
$T$. Zygote	$V$. Seed coat

Differentiate between:
$(a)$ Bract and Bracteole
$(b)$ Pulvinus and Petiole
$(c)$ Pedicel and Peduncle
$(d)$ Spike and Spadix
$(e)$ Stamen and Staminode
$(f)$ Pollen and Pollinium

Match the following by using the codes provided:

$A$. Vernalization	$1$. Camerarius
$B$. Double fertilization	$2$. Hofmeister
$C$. Pollination	$3$. Lysenko
$D$. Alternation of Generations	$4$. Nawaschin