List of top Life Science Questions asked in CUET (PG)

What is the standard sequence of steps in a PCR (Polymerase Chain Reaction) cycle?
Which nitrogen source is most commonly used by plants for inorganic nitrogen fixation?
What is the role of Topoisomerase during the process of DNA replication?
What are the two primary components of a Typhoid Vi vaccine?
Which amino acid is the universal initiator for protein synthesis in eukaryotes?
Which technique is specifically used to detect the presence of a specific DNA sequence in a sample?
Which hormone is primarily responsible for the "fight or flight" response in human physiology?
Which immunoglobulin class is primarily involved in mucosal immunity?
What is the primary composition of lipid rafts found in plasma membranes?
According to Chargaff's rules, which base relationship is constant across all species?
What happens to the Vmax of an enzyme-catalyzed reaction when the substrate concentration is equal to the Km?
In the lac operon, which molecule acts as the inducer to initiate transcription?
During cellular fractionation, which organelle typically forms part of the pellet when centrifuged at 1000g for 10 minutes?
In gel electrophoresis of DNA, toward which electrode do the DNA fragments migrate?
Which protein is often referred to as the "guardian of the genome" due to its role in cell cycle arrest?
To observe the specific part of a tissue section under compound microscope, the contrast can be increased by:
In humans, one of the most recognized satellite DNA sequences, found mainly in the centromere region is:
Choose the correct order of steps involved in nucleotide excision repair of damaged bases as their occur.
A. A fresh burst of DNA synthesis
B. Cuts are made on both the 3' side and the 5' side of the damaged area
C. The DNA is unwound producing a "bubble".
D. A DNA ligase covalent binds the fresh piece into the backbone.
Choose the correct answer from the options given below:
Tryptophan, tyrosine and phenylalanine, absorb ultraviolet light. Therefore, the protein rich in these amino acids strongly absorbs the light of wavelength ___________ due to aromatic side chain of these amino acids.
Arrange the following DNA fragments A, B, C, D separated after Gel Electrophoresis in increasing order of number of their base pairs
Convalescent sera belongs to
Which of the following molecule/ion is not transported/buffered by hemoglobin?
Telomerase acts as a cellular reverse transcriptase that provides the active site for:
Which of the following will be the part of the pellet, when tissue cells are homogenized and centrifuged at 1000g for 10 min.?
The DNA of the bacterial cell is protected from the cell's own restriction enzymes by the addition of methyl group (-CH3) to ___________ of cytosine.
A. 4th Carbon
B. 7th Carbon
C. 6th Carbon
D. 5th Carbon
Choose the correct answer from the options given below: