Question

Downy mildews of crops are caused by
(A) Ascomycetes
(B) Basidiomycetes
(C) Phycomycetes
(D) Deuteromycetes​

Answer 1

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Option :B

explanation

Downy mildews are caused by microscopic, fungus-like (Oomycete) organisms. Despite a similar name and certain similarities in symptoms, they are unrelated to the powdery mildews. The disease is spread by spores produced on the underside of infected leaves.