Match the following columns:

Column-$I$	Column-$II$	Column-$III$
$(1) \ 1952$	$(a)$ Watson and Crick	$(i)$ Double helix model of $DNA$
$(2) \ 1928$	$(b)$ Friedrich Miescher	$(ii)$ Proof that $DNA$ is genetic material
$(3) \ 1869$	$(c)$ Griffith	$(iii)$ Nuclein
$(4) \ 1953$	$(d)$ Hershey and Chase	$(iv)$ Transforming principle

Match the following:

Column $I$	Column $II$
$A$. $VNTR$	$p$. Largest gene
$B$. Introns and exons	$q$. $DNA$ fingerprinting
$C$. Dystrophin	$r$. Bulk $DNA$
$D$. Satellite	$s$. Splicing

Distinguish between: $m-RNA$ and $t-RNA$.

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?

Select the correct match for $X$ and $Y$:

Column $X$	Column $Y$
$(1)$ Chromosome	$(P)$ Genetic code
$(2)$ $m-RNA$	$(Q)$ Gene
$(3)$ $t-RNA$	$(R)$ Ribosome
$(4)$ $r-RNA$	$(S)$ Anticodon

Which of the following does not follow the Central Dogma of molecular biology?