Multiple choice

Blast disease of rice is caused by

  1. Alternaria solani

  2. Entyloma oryzae

  3. Piricularia oryzae

  4. Helminthosporium oryzae
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C Correct answer
Explanation

Blast disease of rice is caused by the fungus Pyricularia oryzae (also called Magnaporthe oryzae), which is one of the most devastating rice pathogens. Alternaria solani affects potatoes/tomatoes, Entyloma oryzae causes smut disease, and Helminthosporium oryzae causes brown spot but not blast.

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