$A$ drug obtained through genetic engineering and useful for treating infertility is

In transgenics,the expression of transgene in the target tissue is known by:

Match List-$I$ with List-$II$:

List-$I$	List-$II$
$A. \alpha-1$ antitrypsin	$I. \text{Cotton bollworm}$
$B. \text{Cry } IAb$	$II. ADA \text{ deficiency}$
$C. \text{Cry } IAc$	$III. \text{Emphysema}$
$D. \text{Enzyme replacement therapy}$	$IV. \text{Corn borer}$

Choose the correct answer from the options given below:

$ELISA$ system is based on which of the following principles?

The Indian Parliament cleared which amendment of the Indian Patent Bill, which is significant in the context of biotechnology and intellectual property rights?

Statement-$I$: In vitro fertilisation leading to a test tube baby is a part of biotechnology.
Statement-$II$: Developing a $\text{DNA}$ vaccine is a part of biotechnology.