Q. Which among the following strains would kill the mice if injected subdermally?
A) S-strain
B) Heat killed S-strain
C) R-strain
D) All of these
Explanation
Since S-strain is a virulent strain, it would kill mice and R-strain and heat killed S-strain would not affect mice.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.