Sotto disease of silkworm is caused by
A. Virus
B. Bacteria
C. Protozoa
D. Fungus
Answer: Option B
Solution(By Examveda Team)
Sotto disease of the silkworm is caused by Bacteria.It is caused by toxin of Bacillus thuringensis. The larvae become unconscious, soft, and darkish and rot off.
It is caused by a virus called Morator Virus which does not form polyhedra in the body of silkworm larvae. The infection occurs mainly through oral cavity.
Related Questions on Agricultural Entomology
The reduviid bug Sycanus collaris is a predatory of
A. Coconut rhinoceros beetle
B. Red palm weevil
C. Both A and B
D. Termites
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