Explore topic-wise MCQs in Biology.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

When is a codon said to be unambiguous?

A. When it codes for 2 amino acids
B. When it codes for 1 amino acids
C. When it codes for 3 amino acids
D. When it codes for 4 amino acids
Answer» C. When it codes for 3 amino acids
2.

How many codons code for an amino acid?

A. 3
B. 8
C. 90
D. 61
Answer» E.
3.

How many bases are required for coding 20 amino acids?

A. 1
B. 2
C. 3
D. 4
Answer» E.
4.

Which of the following refers to a proposition which directs the sequence of amino acids during protein synthesis?

A. DNA fingerprinting
B. Genetic Code
C. Transcription
D. Endolysis
Answer» C. Transcription