| Column I | Column II | ||
|---|---|---|---|
| (a) | $XX'$ | (i) | T-shape |
| (b) | $XX'_3$ | (ii) | Pentagonal bipyramidal |
| (c) | $XX'_5$ | (iii) | Linear |
| (d) | $XX'_7$ | (iv) | Square-pyramidal |
| (v) | Tetrahedral | ||
Method used for separation of mixture of products (B and C) obtained in the following reaction is: 
Given below are two statements:
Statement I: Transfer RNAs and ribosomal RNA do not interact with mRNA.
Statement II: RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence.
In the light of the above statements, choose the most appropriate answer from the options given below: