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Plant Physiology - Section 2 Multiple Questions and Answers.
| 26. | Yellow pigment in the culture is produced by: | ||
| A. | Pseudomonas | ||
| B. | Xanthomononas | ||
| C. | Erwinia | ||
| D. | Agrobacterium | ||
| 27. | Irish famine was caused due to: | ||
| A. | Wheat rust | ||
| B. | Apple scab | ||
| C. | Late blight of potato | ||
| D. | Tomato wilt | ||
| 28. | Late blight of potato is caused by: | ||
| A. | Alternaria solani | ||
| B. | Xanthomonas campestris pv. Citrii | ||
| C. | Phytophthora infestans | ||
| D. | Sychytriu endobioticum | ||
| 29. | Leaf roll of potato is caused by: | ||
| A. | Fungus | ||
| B. | Bacterium | ||
| C. | Virus | ||
| D. | Mycoplasm | ||
| 30. | Leaf roll of potato is transmitted by: | ||
| A. | M. persicae | ||
| B. | M. pseudosolani | ||
| C. | M. circumflexum | ||
| D. | All above | ||
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