Mark the correct match.

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Exon	$(I)$ Non-coding sequence
$(b)$ Intron	$(II)$ Coding sequence
$(c)$ Genetic code	$(III)$ Nucleosome
$(d)$ $DNA$ packaging	$(IV)$ Nirenberg,Khorana and Matthaei

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 $DNase$

The one-gene-one-enzyme relationship was first established in.....

Match the following in column $I$ with column $II$ and choose the correct combination.

Column $I$	Column $II$
$a.$ Termination	$i.$ Aminoacyl $t-RNA$ synthetase
$b.$ Translation	$ii.$ Okazaki fragments
$c.$ Transcription	$iii.$ $GTP$ dependent release factor
$d.$ $DNA$ replication	$iv.$ $RNA$ polymerase