Question

______ is harmful bacterium
a) Vibrio cholera
b) Euglena
c) Rhizobium
d) lactobacillus​

Answer 1

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$\implies$Vibrio Cholera.

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$\implies$Vibrio cholerae is a Gram-negative, comma-shaped bacterium.

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Answer 2

Answer:

vibro cholera

Hope it'll be helpful for you