MCQ
Match the following techniques or instruments with their usage:
| Column - $I$ | Column - $II$ |
| $(a)$ Bioreactor | $(i)$ Separation of DNA fragments |
| $(b)$ Electrophoresis | $(ii)$ Production of large quantities of products |
| $(c)$ $PCR$ | $(iii)$ Detection of pathogen, based on antigen-antibody reaction |
| $(d)$ $ELISA$ | $(iv)$ Amplification of nucleic acids |
Select the correct option from following:
- A$( a )-( ii ),( b )-( i ),( c )-( iii ),( d )-( iv )$
- B$(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)$
- ✓$(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)$
- D$( a )-( iv ),( b )-( iii ),( c )-( ii ),( d )-( i )$
