Molecular Basis of Inheritance (Class 12) — quick quiz

5 real MHT-CET questions on Molecular Basis of Inheritance (Class 12). Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 3

HARD

In the lac operon system of E. coli, when lactose is present and glucose is absent, which of the following correctly describes the status of the operon?