Match List I with List II and give the correct answer from the code given below: List I List II (Discoverer) (Discoveries) p. Jenner 1. blood grouping Watson 2. penicillin r. Landsteiner 3. vaccination s. Flemming 4. double helix

Match List I with List II and give the correct answer from the code gi

1.	Match List I with List II and give the correct answer from the code given below: List I List II (Discoverer) (Discoveries) p. Jenner 1. blood grouping Watson 2. penicillin r. Landsteiner 3. vaccination s. Flemming 4. double helix
A.	p-3, q-1, r-2, s-4
B.	p-3, q-4, r-2, s-1
C.	p-3, q-4, r-1, s-2
D.	p-3, q-2, r-4, s-1
Answer» D. p-3, q-2, r-4, s-1