Botany/Plant Pathology - II Sample Test,Sample questions

Question: (With Phase) is common in which ?

1.Bacteria blight of Paddy

2.Blast of Paddy

3.White rust of Crucifers

4.Red rot of Sugarcane


Question: Acervuli is _____ shaped

1.Round

2.Oblate

3.Saucer

4.Conical


Question: Anthracnose of Grape is also known as?

1.Birds-eye disease

2.Black spot

3.Buck eye rot

4.more than one option is correct


Question: Choose the wrong combination?

1.Ziram = Cuman

2.Esso fungicide = Copper oxychloride

3.Thiram = Hexathir

4.Zineb = Kitazin


Question: Dry root rot of legumes and beans is caused by?

1.Macrophomina

2.Erysiphe

3.Xanthomonas

4.None


Question: Exclusion of plant disease by legislation is known as

1.Plant quarantine

2.Disease resistance

3.Biological control of plant

4.None


Question: Fusarium belong to which order?

1.Moniliales

2.Melaconiales

3.Sporobolomycetales

4.Cryptococcales


Question: Gelatin plate technique was discovered by?

1.Louis Pasteur

2.Burrill

3.Fanny Hesse

4.Robert Koch


Question: Genus Radopholus of nematode was first described in 1893 on the basis of a male specimen obtained from necrotic roots of _____ growing in Fiji Islands?

1.Sugarbeet

2.Sugarcane

3.Banana

4.Coconut


Question: Heterocious nature of rust means

1.A fungus require one host species to complete life cycle

2.A fungus require two different host species to complete life cycle

3.A and B

4.None


Question: Heterodera belongs to super family?

1.Tylenchoidea

2.Atylenchoidea

3.Neotylenchoidea

4.Heteroderoidea


Question: How much quantity of nematicide is used to control the nematodes in one hectare are?

1.20-25 kg

2.23-27 kg

3.30-35 kg

4.None


Question: In bacterial brown rot and wilt of potato the amount of _____ produced by pathogens are proportional to severity of symptoms

1.Lipids

2.Gibberellins

3.Proteins

4.Polysncchnride


Question: In fermentation industry, pasteurization is done at _____ temperature

1.100.0 C

2.62.8 C

3.80.0 C

4.90.0 C


Question: In which rust pustules are arranged in end-to-end manner and forming strip?

1.Orange rust

2.Yellow rust

3.Black rust

4.White rust


Question: Irish famine was caused due to

1.Wheat rust

2.Apple scab

3.Late blight of potato

4.Tomato wilt


Question: Late blight of potato is caused by

1.Phytophthora infestans

2.Alternaria solani

3.Xanthomonas campestris pv. Citrii

4.Sychytriu endobioticum


Question: Leaf roll of potato is caused by

1.Virus

2.Fungus

3.Bacterium

4.Mycoplasm


Question: Leaf roll of potato is transmitted by?

1.M. persicae

2.M. pseudosolani

3.M. circumflexum

4.All


Question: Levillula is a

1.Endoparasitic

2.Ectoparasitic

3.A and B

4.None


Question: Lichen is an association between?

1.Fungus and Virus

2.Algae and Fungus

3.Bacterium and Fungus

4.Fungus and Nematode


Question: Linseed rust is caused by ?

1.Melampsora lini

2.Uromyces

3.Physaqmidium

4.Ravenelia


Question: Loose smut of wheat can be effectively controlled by

1.Seed treatment with systemic fungicides

2.Crop rotation

3.Soil treatment with non-systematic fungicides

4.Spraying the crop with fungicides


Question: Loose smut of wheat is a disease called as?

1.Internally seed borne

2.Air borne

3.Externally seed borne

4.None


Question: Meloidogyne belongs to which group?

1.Semi-ectoparasite

2.Semi-endoparasite

3.Ecotoparasite

4.Endoparasite


Question: Micro organisms were first observed by?

1.L.J. Thernard

2.John Tyndall

3.Antony Van Leeuwenhock

4.None


Question: Microbiology is the science of which we study?

1.Viruses

2.Fungi

3.Bacteria

4.All


Question: Modification of floral parts into leafy structures by pathogenic infection called?

1.Hypertrophy

2.Hyperplasia

3.Phyllody

4.Witchs broom


Question: Most effective fungicide against powdery mildew disease?

1.Captan

2.Dithane

3.Karathane

4.None


Question: Most of the plant parasitic nematodes belong to which order?

1.Dorylaimida

2.Aphelenchida

3.Rhabditida

4.Tylenchida


Question: Mycology is the study of?

1.Bacteria

2.Fungi

3.Algae

4.Virus


Question: Mycoplasma disease of plant was first reported by which of the following ?

1.Anton de Barry

2.Brefeld

3.Doi et al. and Ishire et al.

4.Butler


Question: Mycoplasma is sensitive to which of the following ?

1.Tetracycline

2.Pencillin

3.Steptomycin

4.Bavistin


Question: Nematode genus Hoplolaimus Daday was first recorded in _____ from an island in the Paraguay river

1.1905

2.1910

3.1915

4.1920


Question: Nematodes are also called as?

1.Earthworms

2.Tapeworms

3.Trematodes

4.None


Question: Oil from American elm seed contains 55 per cent capric acid toxic to Ceratocystis uimi the pathogen causing the famous _____ disease

1.Dutch elm

2.English elm

3.French elm

4.American elm


Question: Once the pathogen has established in an area, steps taken to remove or destroy is known as?

1.Exclusion

2.Protection

3.Eradication

4.Management


Question: Pectinolytic enzymes of plant pathogens play a major role during pathogenesis in which diseases?

1.Wilts, damping-off and root/foot rots

2.Downy mildew

3.Powdery mildew

4.None


Question: Phycomycetes belong to which of the following?

1.Algae

2.Fungi

3.Yeast

4.Bacteria


Question: Phytophthera belongs to which family?

1.Peronophythoraceae

2.Pareonosporaceae

3.Pythiaceae

4.None


Question: Plant overgrowth due to increase in size of cell of the which of the following tissue ?

1.Hypertrophy

2.Hypoplasia

3.Hyperplasia

4.None


Question: Plant parasitic nematodes posses how many part oesophagus?

1.Four part oesophagus

2.Three part oesophagus

3.One part oesophagus

4.Two part oesophagus


Question: Which among the following caused Powdery mildew disease?

1.Bacterium

2.Fungus

3.Yeast

4.None


Question: Which among the following Plant pathogenic viroids contains?

1.Externally seed-borne and soil-borne disease

2.Externally seed-borne disease

3.Air-brone disease

4.None


Question: Which of the following disease caused by Phyllactinis?

1.Powdery mildew

2.Leaf spot

3.Downy mildew

4.Blight


Question: Which of the following is belong to the family of Powdery mildew fungi?

1.Hypocereaceae

2.Hypomycetaceae

3.Erysiphaceae

4.None


Question: With regard to nutrition Erysiphe is

1.Endoparasite

2.Predator

3.Ectoparasite

4.None


Question: Wrong information about Powdery mildew is

1.Order = Erysiphales

2.Subdivision = Ascomycotina

3.Family = Melanconiaceae

4.None


Question: Yellow ear rot of wheat is caused by?

1.Corynebacterum

2.Anguina

3.A and B

4.None


Question: Yellow pigment in the culture is produced by?

1.Erwinia

2.Pseudomonas

3.Xanthomononas

4.Agrobacterium


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