Explore topic-wise MCQs in Molecular Biology.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Molecular Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

WHICH_OF_THE_FOLLOWING_GENETIC_CODE_SHOWS_AMBIGUITY??$

A. CGU
B. AUG
C. GAC
D. UGA
Answer» E.
2.

POINT_MUTATION_OF_THE_SECOND_PLACE_MUTATING_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ‚À´A‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖŒÄ_WITH_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ‚À´T‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖŒÄ_WILL_RESULT_IN_A_SIMILAR_IF_NOT_SAME_AMINO_ACID.?$#

A. True
B. False
Answer» C.
3.

The distribution of codon is made in such a way to minimize mutation effect?

A. True
B. False
Answer» B. False
4.

The wobble hypothesis was devised by ____________

A. Arthur Kornberg
B. Francis Crick
C. James Watson
D. William Asbury
Answer» C. James Watson
5.

In case of mitochondrial genetic code UGA is a ____________ codon.

A. Tryptophan
B. Arginine
C. Proline
D. Stop
Answer» B. Arginine
6.

Which of the following is not a termination codon?

A. UGA
B. AGA
C. AGG
D. UAC
Answer» E.
7.

One base in an mRNA can be used for more than one codon.

A. True
B. False
Answer» C.
8.

There is one amino acid for one genetic code.

A. True
B. False
Answer» C.
9.

The codon is a ____________

A. Singlet
B. Duplet
C. Triplet
D. Quadruplet
Answer» D. Quadruplet
10.

Which of the following is not a feature of the genetic code?

A. Triplet
B. Degenerate
C. Non – overlapping
D. Ambiguous
Answer» E.