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.

Purines and pyrimidines form glycosidic linkage with the purines and pyrimidines at the N6 position.

A. True
B. False
Answer» C.
2.

Which of the following is not a part of a nucleoside?

A. Deoxyribose sugar
B. Glycosidic linkage
C. Phosphate
D. Base
Answer» D. Base
3.

In which carbon do the deoxyribonucleotides lack an –OH molecule?

A. C1
B. C2
C. C3
D. C4
Answer» C. C3
4.

Purines and pyrimidines form glycosidic linkage with the purines and pyrimidines at the N6 position?

A. True
B. False
Answer» C.
5.

Which of the following is not a nucleotide?

A. AMP
B. TMP
C. GMP
D. CMP
Answer» C. GMP
6.

The linkage between the sugar and the base is a covalent linkage.

A. True
B. False
Answer» B. False
7.

Which of the following is not a part of a nucleotide?

A. Ester linkage
B. Phosphate group
C. Base
D. Hydrogen bond
Answer» E.
8.

In which carbon do the deoxyribonucleotides lack an –OH molecule?$

A. C1
B. C2
C. C3
D. C4
Answer» C. C3
9.

The nitrogenous base is covalently linked to the _________ carbon of the pentose sugar.

A. C1
B. C2
C. C3
D. C4
Answer» B. C2
10.

Which of the following is not true about nucleotides?

A. Monomeric units
B. Ubiquitous substances
C. Energy rich molecules
D. Non enzymatic molecules
Answer» E.