DNA RNA replication transcription translation

NCERT Biology Class 12, Chapter 5

DNA RNA replication transcription translation NEET Biology MCQ

Last updated: July 30, 2026

Reviewed by MedQGo Editorial Team | Last updated: July 30, 2026

In 1944, American bacteriologist O. Avery through experiments proved that

ADNA is the genetic material
BTelomerase has reverse transcriptase activity
CReverse transcription phenomenon exists
DDNA in solution mainly exists as a double helix

Correct answer: A. DNA is the genetic material

O. Avery's experiments in 1944 demonstrated that DNA, not proteins, are the genetic material.

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