'Gemmule formation is a common mode of reproduction in Paramecium'

Diploid zygote is universal in

When is an offspring called an exact copy of its parents?

Match the following columns:

Column $I$	Column $II$
$(1)$ Earthworm	$(a)$ Males are absent
$(2)$ Cockroach	$(b)$ Hermaphrodite
$(3)$ Honey bee	$(c)$ Dioecious
$(4)$ Rotifers	$(d)$ Parthenogenesis

Select the correct option for the zygote.
$I -$ It is found only in organisms undergoing sexual reproduction.
$II -$ It is always diploid $(2n)$.
$III -$ It is also known as a fertilized egg.
$IV -$ It is always formed as a result of fertilization or syngamy.
$V -$ It is the link between two generations.

Assertion: Clones are produced by sexual reproduction.
Reason: These are prepared by a group of cells descended from many cells or by inbreeding of a heterozygous line.