Match the following columns:

Column-$I$	Column-$II$
$(a)$ $EFB$	$(1)$ Recognition sequence
$(b)$ Biotechnology	$(2)$ Molecular scissors
$(c)$ Restriction enzyme	$(3)$ Definition of biotechnology
$(d)$ Palindromic sequence	$(4)$ Test tube baby

Biotechnology is the modern branch of biology which deals with

Read the following statements and select the incorrect one:
$(I.)$ Disarmed Agrobacterium is used to deliver desirable gene into plant cell.
$(II.)$ In $\text{EcoRI}$,the letter '$R$' is derived from the name of species.
$(III.)$ Gene therapy is a part of modern biotechnology.
$(IV.)$ $\text{DNA}$ is a hydrophilic molecule,so it can easily pass through cell membrane.

What do '$S$' and '$T$' represent in the given figure of a stirred-tank bioreactor?

Assertion $:-$ The tumor inducing $(Ti)$ plasmid of $Agrobacterium$ $tumefaciens$ has now been modified into a cloning vector.
Reason $:-$ Retroviruses have been disarmed and are now used to deliver genes into animal cells.

The ability to multiply copies of an antibiotic resistance gene in $E. coli$ is called.....