Agriculture - Mock Test 229

Question 2281

Which one of the following correctly define the period between inoculation and appearance of the first disease symptom?

A) Penetration period B) Latent period C) Incubation period D) Infestion period

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Question 2282

Which of them is a poisonous mushroom?

A) Agaricus B) Volvariella C) Peasurotus D) Amanita

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Question 2283

Which of them is a gram-positive bacterium?

A) Xanthomonas B) Pseudomonas C) Erwinia D) Corynebacterium

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Question 2284

Which of the nutrient is supplied by mycorrhiza to the plant?

A) Nitrogen B) Phosphorus C) Sulphur D) Iron

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Question 2285

Which of the following nematodes attack above plant parts?

A) Pratylenchus B) Anguina C) Meloidogyne D) Rotylenchulus

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Question 2286

Which of the following nematicide is a carbamate?

A) DBCP B) DD C) Phorate D) Aldicarb

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Question 2287

Which is the root knot nematode?

A) Angunia B) Heterodera C) Meloidogyne D) Tylenchorhynchus

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Question 2288

Which is sulphur bacteria?

A) Nitrosomonas B) Cladethrix C) Thiothrix D) Bacillus

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Question 2289

Which is citrus namatode?

A) Hoplolaimus B) Pratylenchus C) Rotylenchulus D) Tylenchus

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Question 2290

Which fungus supresses various pathogenic fungi present in soil?

A) Pythium aphanidermatum B) Psalliotta spp. C) Macrophomina spp. D) Trichoderma viride

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