Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject 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
Previous Next