By using the diagram,select the correct option for $X$ and $Y$.

The point mutations $A$ to $G$,$C$ to $T$,$C$ to $G$,and $T$ to $A$ in $DNA$ are:

Read the following statements $:-$
$(i)$ Eukaryotic $\text{mRNA}$ is polycistronic whereas prokaryotic $\text{mRNA}$ is monocistronic.
$(ii)$ Prokaryotic $\text{mRNA}$ is cap-less and tail-less whereas eukaryotic $\text{mRNA}$ is with cap and tail.
$(iii)$ The precursor of prokaryotic $\text{mRNA}$ is $\text{hnRNA}$.
$(iv)$ In replication,only one of the strands acts as a template.
$(v)$ In eukaryotes,transcription occurs in the nucleus and translation in the cytoplasm.
Which of the above statements are correct?

Match the following columns:

Column-$I$	Column-$II$
$(W)$ Griffith	$(1)$ $DNA$ is the genetic material
$(X)$ Avery,MacLeod	$(2)$ Semiconservative replication
$(Y)$ Meselson-Stahl	$(3)$ Transforming principle
$(Z)$ Hershey and Chase	$(4)$ Transformation inhibited by $DNase$

In Lederberg's replica plating experiment,what should be used to obtain streptomycin-resistant strains?

Jumping genes are found in