Match List I with List II and select the correct answer using the codes given below the lists:
1. List I - List II
2. I. Theory of Mutation - A) Beadk and Tatum
3. II. Theory of Evolution - B) Jacob and Monod
4. III. One gene one enzyme hypothesis - C) Darwin
5. IV. Operon concept - D) De Vries
A
I-C, II-D, III-A, IV-B
B
I-D, II-C, III-A, IV-B
C
I-D, II-C, III-B, IV-A
D
I-C, II-D, III-B, IV-A
Correct Answer: Option B
Explanation
1. Match the scientific concepts/theories with their proponents:
I. Theory of Mutation: Proposed by Hugo De Vries based on his observations in evening primrose (Oenothera lamarckiana) (D).
II. Theory of Evolution (by natural selection): Primarily developed by Charles Darwin (C).
III. One gene one enzyme hypothesis: Proposed by George Beadle and Edward Tatum based on their work with Neurospora crassa (A).
IV. Operon concept: Developed by François Jacob and Jacques Monod to explain gene regulation in bacteria (B).
2. The correct matches are I-D, II-C, III-A, IV-B.
3. This corresponds to option (B).