Match List-I with List-II and select the correct answer:
| List-I | List-II |
| a. Apical cell theory | 1. Popham and Chan (1950) |
| b. Histogen theory | 2. Schmidt (1924) |
| c. Tunica-corpus theory | 3. Nageli (1858) |
| d. Mantle-core hypothesis | 4. Hanstein (1868) |
A. a-1, b-2, c-3, d-4
B. a-4, b-3, c-1, d-2
C. a-2, b-1, c-4, d-3
D. a-3, b-4, c-2, d-1
Answer: Option D
This Question Belongs to Biology GK Chapter Wise >> Plant Kindom
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