NEET 2010 PYQ Mock Test

Select the two correct statements about the lac operon:(a) Glucose or galactose may bind with the repressor and inactivate it.(b) In the absence of lactose the repressor binds with the operator region.(c) The $z$ -gene codes for permease.(d) This was elucidated by Francois Jacob and Jacques Monod.

Which one of the following symbols and its representation used in human pedigree analysis is correct?

Darwin’s finches are a good example of:

The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?

Which one of the following is NOT a micronutrient?