$RNA$ as genetic material in …………

Describe different experiment which proves that DNA is a Genetic material.
 

Transformation experiments using Pneumococcus bacteria led to the hypothesis that

Which of the following is false for $RNA$?

$(i)$ $RNA$ can directly code for the synthesis of proteins

$(ii)$ It is very common process to synthesis $DNA$ from $RNA$

$(iii)$ $RNA$ is used as genetic material only in human

$(iv)$ One polynucleotide chain is present in $RNA$

$DNA$ is found primarily