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

What is the function of Histatin?
Match the following: A. Polymers – DNA, RNA; B. Polymerase – DNA polymerase, RNA polymerase.
Match List I with List II:
List I (Enzyme)List II (Function)
(A) Cytochrome oxidase(I) Electron transport system
(B) Topoisomerases(II) Change linking number
(C) Cohesins(III) DNA Replication
(D) PCNA(IV) Cell cycle
Choose the correct answer from the options given below:
Which of the following enzyme is inhibited by citrate in Kreb's cycle?
Why does the presence of proline destabilize α-helix?
(A) Proline residue introduces a destabilizing kink in the α-helix
(B) In proline, the nitrogen atom is a part of a rigid ring, and rotation about N-C bond is not possible
(C) The nitrogen atom of a proline residue in a peptide linkage has no substituent hydrogen to participate in hydrogen bonds with other residues
(D) Proline residue works as a helix linker
Choose the correct answer from the options given below:
Which of the following are components of lipid rafts in plasma membrane?
(A) Cholesterol
(B) Sphingolipids
(C) Glycolipids
(D) Phospholipids
Choose the correct answer from the options given below:
Match List I with List II:
List I (Vitamin)List II (Disorder)
(A) Vitamin-A(I) Night blindness
(B) Vitamin-D(II) Scurvy
(C) Vitamin-C(III) Fat-soluble vitamin
(D) Vitamin-K(IV) Blood clotting
Choose the correct answer from the options given below:
Identify the correct sequence of the given intermediates formed during glycolysis:
(A) Fructose 1,6-biphosphate
(B) Fructose 6 phosphate
(C) Lactate
(D) Phosphoenolpyruvate
Choose the correct answer from the options given below:
Identify the correct sequence of the given enzymes involved in the TCA cycle:
(A) Aconitase
(B) Fumarase
(C) Malate dehydrogenase
(D) α-ketoglutarate dehydrogenase
Choose the correct answer from the options given below:
Match List I with List II:
List I (Enzyme)List II (Reaction)
(A) DNase I(I) Produces single-stranded nicks in DNA
(B) RNase A(II) Degrades single-stranded RNA
(C) S1 nuclease(III) Degrades single-stranded DNA
(D) RNase H(IV) Cleaves the RNA strand of RNA-DNA hybrids
Choose the correct answer from the options given below:
The complete proteins produced by an organism at any one time is called:
Amino acid that serves as a precursor for formation of the pigment responsible for human skin color is-
The peptidyl transferase enzyme activity is located in the