| a | Homo habilis | i | 900 cc |
| b | Homo neanderthalensis | ii | 1350 cc |
| c | Homo erectus | iii | 650-800 cc |
| d | Homo sapiens | iv | 1400 cc |
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: