Biology·MCQ Practice
Restriction Enzymes — MCQ Practice
NEET UG
Version 1Updated 22 Mar 2026
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.
Q1medium
Which of the following statements about restriction enzymes is INCORRECT?
Q2easy
A restriction enzyme named 'PstI' was isolated from the bacterium *Providencia stuartii*. According to the nomenclature rules, what does 'I' represent?
Q3medium
Which of the following sequences is a palindromic recognition site for a restriction enzyme?
Q4easy
Which enzyme is responsible for joining the DNA fragments produced by restriction enzymes to form a recombinant DNA molecule?
Q5hard
Which of the following conditions might lead to 'star activity' of a restriction enzyme?
Q6easy
The protection of bacterial host DNA from its own restriction enzymes is achieved by: