GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
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 | ||