Explore topic-wise MCQs in Life Sciences.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of them is used to introduce negative supercoiling in DNA?

A. Type 1 topoisomerase
B. Ethidium bromide
C. Gyrase/ type 2 topoisomerase
D. SYBR gold
Answer» D. SYBR gold
2.

What is the term given to the supercoiling of circular DNA?

A. Twist number
B. Linking number
C. Writhe number
D. Cross-linking
Answer» C. Writhe number
3.

Double-stranded DNA with high GC content has higher thermal stability than that of lower GC content?

A. True
B. False
Answer» B. False