The two main techniques that gave birth to modern biotechnology are
$I.$ Chemical engineering
$II.$ Genetic engineering
$III.$ Human genome engineering
$IV.$ Molecular biology
Choose the correct option.

The sequence that controls the copy number of the linked $DNA$ in the vector is termed as:

Which is responsible for controlling the copy number of linked $DNA$ in a plasmid?

The introduction of foreign genes for improving the genotype is known as:

What is the fate of a piece of $DNA$ carrying only the gene of interest which is transferred into an alien organism?
$A$. The piece of $DNA$ would be able to multiply itself independently in the progeny cells of the organism.
$B$. It may get integrated into the genome of the recipient.
$C$. It may multiply and be inherited along with the host $DNA$.
$D$. The alien piece of $DNA$ is not an integral part of the chromosome.
$E$. It shows the ability to replicate.
Choose the correct answer from the options given below:

What is the full form of $EFB$?