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

Which technique is specifically used to detect the presence of a specific DNA sequence in a sample?
In gel electrophoresis of DNA, toward which electrode do the DNA fragments migrate?
What is the standard sequence of steps in a PCR (Polymerase Chain Reaction) cycle?
Arrange the following DNA fragments A, B, C, D separated after Gel Electrophoresis in increasing order of number of their base pairs
Telomerase acts as a cellular reverse transcriptase that provides the active site for:
A technique for transferring denatured DNA molecules that have been separated electrophoretically from a gel to a matrix (such as a nitrocellulose or nylon membrane) on which a hybridization assay can be performed is called
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
Arrange the steps of recombinant DNA-cloning procedure in correct sequence of their occurance:
A. Joining the target DNA with cloning vector DNA by ligase enzyme.
B. Targeted DNA from a source organism is cleaved and cloning vector DNA is also cleaved by the same restriction endonuclease.
C. Selection of transformants from non-transformants through antibiotic resistance and color indicators
D. Introduction of recombinant DNA into host cell.
Choose the correct answer from the options given below:
Choose the correct answer regarding the translation of mRNA to proteins when AUG is the start codon and codes for methionine.
Colibactin is a DNA-damaging compound and when taken up by human intestinal cells, colibactin result in double stranded DNA break and can cause human colorectal cancers. It is synthesized by:
Arrange the sequence of bacterial transcription.