Agriculture - Mock Test 230

Question 2291

Which fungus produces aflatoxin?

A) Penicillium notatum B) Aspergillus flavus C) Albugo candida D) Trichoderma viride

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Question 2292

Which are the cellulose attacking fungi at the time of decomposition of organic compound?

A) Trichoderma, Aspergillus B) Ganoderma, Psalliotta C) Albugo, Puccinia D) Pythium, Macrophomina

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Question 2293

When bacterial cells are subjected to unfavourable conditions they form?

A) Oospores B) Zoospores C) Endospores D) Cyst

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Question 2294

Who is known as the father of nematology?

A) N.A Cobb B) G.Thorne C) F.G.W. Jones D) De-man

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Question 2295

Virus is transmitted by nematode?

A) Globodera B) Tylenchorhynchus C) Angulna D) Xiphinema

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Question 2296

Used lense for the first time to study micro-organism?

A) Robert Koch B) Antony Van Leeuwenhoeck C) Louis Pasteur D) Butler

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Question 2297

Uncinuls causes the disease?

A) Downy mildew B) Powdery mildew C) Blight D) Wilt

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Question 2298

Leaf curl of tobacco is caused by?

A) Nicotina virus Ca-i B) Nicotina virus-10 C) MLO's D) Viriod

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Question 2299

Ufra disease of rice is caused by?

A) Pratylenchus B) Ditylenchus C) Aphelenchoides D) Heterodera

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Question 2300

Who proved that virus could pass through filters with pores small enough to retain bacteria?

A) Stanley B) Ivanowski C) Mayer D) Barkley

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