Who among the following scientists is associated with the discoveries in genetic engineering?

When and where was the word "biotechnology" used for the first time?

Both a wine maker and a molecular biologist who had developed a recombinant vaccine claim to be biotechnologists. Who in your opinion is correct?

The critical research areas of biotechnology are:
$I$. Providing the best catalyst as an improved organism,usually a microbe or pure enzyme.
$II$. Creating optimal conditions through engineering for a catalyst to act.
$III$. Downstream processing technologies.
$IV$. Multiple Ovulation Embryo Transfer Technology $(MOET)$.
Which of the statements given above are correct?

When did Cohen and Boyer complete the construction of the first $r-DNA$ by isolating an antibiotic resistance gene?

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.