Match the RNAs in Group I with their corresponding function in Group II
| Group I | Group II |
| (P) snRNA | (1) rRNA processing |
| (Q) piRNA | (2) RNA splicing |
| (R) snoRNA | (3) Selected mRNAs degradation |
| (S) siRNA | (4) Germ line protection from transposable elements |
1
P-4, Q-3, R-2, S-1
2
P-4, Q-1, R-3, S-2
3
P-3, Q-2, R-1, S-4
4
P-2, Q-4, R-1, S-3