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Rahul kumar
Ribozymes are RNA molecules that accelerate chemical reactions, enzymes that happen to be made of RNA rather than protein. There is no such justification of this statement. These are empirical evidences.
sir, in option 4, wt he is talking about news life forms.. is he talking about past life forms which is now found as fossil or present living beings?
No, genetic materials are normally destroyed in fossils so you can't encode DNA and RNA in fossils. The oldest DNA samples ever recovered are from insects and plants in ice cores in Greenland up to 0.8 million years old. "New life forms" in the option mean existing life on the present day Earth.