| Column I (Diseases) | Column II (Element) | ||
| A. | Whiptail disease in cauliflower | 1. | Copper |
| B. | White bud disease in maize | 2. | Boron |
| C. | Internal cork of apple | 3. | Zinc |
| D. | Die back disease in citrus | 4. | Molybdenum |
A) A-3, B-4, C-1, D-2
B) A-4, B-3, C-2, D-1
C) A-3, B-2, C-1, D-4
D) A-4, B-2, C-3, D-1
Correct Answer: C
Solution :
| Whiptail disease in cauliflower | Molybdenum |
| White bud disease in maize | Zinc |
| Internal cork of apple | Boron |
| Die back disease in citrus | Copper |
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