List of top Questions asked in CUET (PG)- 2026

Given below are two statements :
one is labelled as
Assertion (A) and the other is labelled as
Reason (R).
Assertion (A) :
Some microorganisms can use nitrate as a terminal electron acceptor under anaerobic conditions.
Reason (R) :
Nitrate can be fully reduced to ammonia in the process of denitrification.
In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements :
one is labelled as
Assertion (A) and the other is labelled as
Reason (R).
Assertion (A) :
A cDNA library contains only expressed genes.
Reason (R) :
A cDNA library is made from the mRNA molecules of a cell population.
In the light of the above statements, choose the most appropriate answer from the options given below :

RNAi mediated RNA interference mediates which of the following?

First scientist to describe phagocytosis by white blood cells was:

Given below are two statements :
one is labelled as
Assertion (A) and the other is labelled as
Reason (R).
Assertion (A) :
Electrophoretic procedures are generally not used to purify proteins.
Reason (R) :
Electrophoresis is an analytical metho
D.
In the light of the above statements, choose the most appropriate answer from the options given below :

A cross between a donor cell from an Hfr strain and a recipient cell from an \(F^{-}\) strain results in recipient which is:

During which phase of meiosis, synaptonemal complex begins to form?

Which of the following restriction endonucleases generates \(3'\) overhangs?

Mendel crossed peas having round green seeds with peas having wrinkled yellow seeds. All \(F_1\) plants had seeds that were round and yellow. What will be genotypic ratio of testcrossing these \(F_1\) plants?

Denaturation of proteins involves:

Transport of molecules smaller than about 600 daltons across the outer membrane of bacteria is facilitated by trimeric integral membrane proteins called:

Horizontal gene transfer in microbes enhances:

Which one of the following is the correct sequence of a food chain?

At which side of the transcription unit, most of the RNA polymerase II promoters are located?

Which of the following is not a feature of RNA?

Mannitol salt agar is selective because it:

The Rolling tube technique is used for cultivation of:

The most abundant protein embedded in the outer membrane of gram negative bacteria and covalently joined to the underlying peptidoglycan is:

Which extremophile is most likely to be found in the Dead sea?

Anaerobic microbes cannot survive in the presence of oxygen due to lack of:

Calvin cycle is also known as ______ pentose phosphate pathway.

Which of the following microbe is the bacterial parasite of gram negative bacteria?

Which of the following chromatography separates according to the sign and magnitude of the net electric charges of the proteins at a given pH?

The enormous diversity exhibited by MHC molecules within a species originates from:

Aminopterin is added in HAT medium to: