Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

$I.$ Enzymes

$II$. RNA primer

$III.$ DNA probe

$IV.$ Vectors

$V.$ host organisms

Select the correct option

$(i)$ $RNA$ 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 $RNA$