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.

Mark the one, which is CORRECT for SOS repair.

A. RecA protein participates
B. A free radical mechanism is involved
C. The repair enzyme functions only once
D. No bases or nucleotides are removed
Answer» B. A free radical mechanism is involved
2.

Which of the following is NOT the function of the enzyme systems involved in mismatch repair?

A. Recognize mismatched base pair
B. Gene conversion
C. Determine incorrect base from a mismatch
D. Excise incorrect base and carry out repair system
Answer» C. Determine incorrect base from a mismatch
3.

The correction of changes in DNA by a set of process known as___________

A. Replication
B. DNA repair
C. Translation
D. Transcription
Answer» C. Translation