Explore topic-wise MCQs in Biology.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is the key difference between exons and introns?

A. I
B. II
C. III
D. IVView Answer
Answer» D. IVView Answer
Discussion
2.

The genes in eukaryotic organisms are split.

A. True
B. False
Answer» B. False
Discussion
3.

Which of the following is polycistronic?

A. Bacteria
B. Rats
C. Snakes
D. Hamster
Answer» B. Rats
Discussion
4.

Which of the following is monocistronic?

A. Fungi
B. Eukaryotes
C. Bacteria
D. Virus
Answer» C. Bacteria
Discussion
5.

What is a cistron?

A. A gene coding for RNA
B. A segment of DNA responsible for producing the nuclear coat
C. A segment of DNA coding for polypeptides
D. A gene coding for the template strand of DNA
Answer» D. A gene coding for the template strand of DNA
Discussion
6.

It is difficult to define a gene in terms of its DNA sequence.

A. True
B. False
Answer» B. False
Discussion