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

$(a)\quad(b)\quad(c)\quad(d)$

  • [NEET 2020]
  • A

    $(i)\quad(ii)\quad(iii)\quad(iv)$

  • B

    $(iv)\quad(i)\quad(ii)\quad(iii)$

  • C

    $(iii)\quad(ii)\quad(i)\quad(iv)$

  • D

    $(ii)\quad(iii)\quad(iv)\quad(i)$

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