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Similar Questions
Match the following columns and select the correct option.
| Column $- I$ | Column $- II$ |
| $(a)$ Bt cotton | $(i)$ Gene therapy |
| $(b)$ Adenosine deaminase deficiency | $(ii)$ Cellular defence |
| $(c)$ $RNAi$ | $(iii)$ Detection of $HIV$ infection |
| $(d)$ $PC R$ | $(iv)$ Bacillus thuringiensis |
$(a)\quad(b)\quad(c)\quad(d)$
