Agriculture - Mock Test 244

Question 2431

Brown spot of maize is caused by?

A) Sclerospora sorghi B) Physoderus zeamaydis C) Alternaria solani D) Cercospora perfonats

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Question 2432

Botulism is caused by species of?

A) Bacillus B) Pseudomonas C) Agrobacterium D) Clostridium

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Question 2433

Bordeaux mixture was discovered by P.A. Millardet of France during the year 1882 following his chance observation of farmer's practice for protection against?

A) Plasmopara viticola on grapevine B) Uncinula nectar on grapevine C) Podosphaera leucotricha on apple D) Venturia inequalis on apple

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Question 2434

Plant Pathology is ____ word?

A) English B) Latin C) Greek D) Mandarin

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Question 2435

Blast of rice is caused?

A) Xanthomonas B) Drechslera oryzae C) Pyricularia D) Cercospora

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Question 2436

Black tip of mango is caused by?

A) Phythium B) Phytosynthetas C) Boron deficiency D) Zinc deficiency

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Question 2437

Black stem rust of wheat caused by?

A) Puccinia graminis tritici B) Puccinia recondita C) Puccinia striformis D) Ustilagotritici

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Question 2438

Black heart of potato is caused due to deficiency of?

A) Boron B) Zinc C) Iron D) Oxygen

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Question 2439

Bengal famine was caused due to?

A) Phytophthora infestans B) Drechslera oryzae C) Puccinia graminis tritici D) Heterodera avenage

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Question 2440

Bacterial leaf blight of rice caused by Xanthomonaso ryzae can be identified by?

A) Wilting of the plant B) Yellowing of leaves C) Ooze test D) Defoliation

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