Which one of the following pairs is not correctly matched?

Read the following statements and select the correct statements:
$(A)$ Essential life processes such as metabolism,translation and splicing are evolved around $\text{RNA.}$
$(B)$ Heavy isotope of nitrogen $(^{15}N)$ is a radioactive isotope,while light isotope of nitrogen $(^{14}N)$ is not a radioactive isotope.
$(C)$ The codon in $\text{rRNA}$ is read in a contiguous fashion.
$(D)$ In the first phase of translation,amino acids are activated in the presence of $\text{ATP.}$
$(E)$ $\text{DNA}$ from every tissue from an individual shows a high degree of polymorphism.
Choose the correct answer from the options given below:

Statement $P$: $m-RNA$ contains $75$ nucleotides.
Statement $Q$: There are $20$ types of $t-RNA$ in the cytoplasm.

The eukaryotic genome is different from the prokaryotic genome because . . . . . . .

Match the process in Column-$I$ with the enzyme involved in Column-$II$.

Column-$I$	Column-$II$
$(A)$ $DNA$ replication	$(p)$ $RNA$ polymerase
$(B)$ Translation	$(q)$ $DNA$ polymerase
$(C)$ Transcription	$(r)$ Reverse transcriptase
$(D)$ Reverse transcription	$(s)$ Aminoacyl synthetase

Select the code for the correct answer from the options given below.

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 $DNase$