Q. 62 P, Q, R and S are four types of dangerous microbes recently found in a human
habitat. The area of each circle with its diameter printed in brackets represents
the growth of a single microbe surviving human immunity system within 24 hours
of entering the body. The danger to human beings varies proportionately with the
toxicity, potency and growth attributed to a microbe shown in the figure below:
A pharmaceutical company is contemplating the development of a vaccine against
the most dangerous microbe. Which microbe should the company target in its
first attempt?
(A) P
(B) Q
(C) R
(D) S
Answer: (D)
Explanation: