Question

Match List I with List II and select the correct answer using the codes given the lists.

List-I	List-II
a. Laminar flow	$1$. Frozen state
b. Genetic Engineering	$2$. Tissue culture
c. PEG	$3$. Protoplast fusion
d. Cryopreservation	$4$. DNA

• A. A-$2$, B-$4$, C-$3$, D-$1$
• B. A-$1$, B-$3$, C-$2$, D-$4$
• C. A-$2$, B-$3$, C-$4$, D-$1$
• D. A-$1$, B-$4$, C-$2$, D-$3$

Answer 1

The correct option is A A-$2$, B-$4$, C-$3$, D-$1$

• A laminar flow cabinet or tissue culture hood is a carefully enclosed bench designed to prevent contamination of semiconductor wafers, biological samples, or any particle sensitive materials. The correct match is a.-2.
• Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism. The correct match is b.-4.
• Somatic fusion, also called protoplast fusion, is a type of genetic modification in plants by which two distinct species of plants are fused together to form a new hybrid plant with the characteristics of both, a somatic hybrid. Several chemicals have been used successfully to induce fusion but the most successful and the one most widely used at the present time is polyethylene glycol in short PEG. The correct match is c.- 3.
• Cryo-preservation or cryo-conservation is a process where organelles, cells, tissues, extracellular matrix, organs, or any other biological constructs susceptible to damage caused by unregulated chemical kinetics are preserved by cooling to very low temperatures. The correct match is d.-1.

So the correct answer is option A.