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1) Root parasite of bajra is: a. Cuscuta b. Striga c. Orobanche d. Loranthus
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2) Root rot of papaya could be controlled by application of: a. Bordeaux mixture b. Dithane M-45 c. Benelate d. Calaxin
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3) Rust teleutospore on germination produce: a. Four basidiospores b. Two basidiospores c. Indefinite basidiospores d. None of these
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4) Rust belongs to sub-division: a. Zygomycotina b. Ascomycotina c. Basidiomycotina d. Deuteromycotina
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5) Secondary spread of ergot of bajra is through: a. Seed b. Air c. Insect d. Both (a) and (c)
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6) Severity of disease club root of cabbage can be reduced by application of: a. Lime b. Gypsum c. FYM d. Fertilizers
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7) Sexual dimorphism means: a. Males and Females are separate b. Males and Females are morphologically dissimilar c. Female posses didelphic ovaries d. None of the above
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8) Shape of bacterial cells is: a. Spheres b. Spiral c. Rods d. All of the above
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9) Smut gives the appearance of: a. Compact hardness b. Sooty powder c. Superficial growth d. Dusty layer
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10) Smut of wheat is effectively controlled by: a. Bavistin b. Vitavax c. Benelate d. Thiram
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11) Wilt of arhar is caused by: a. Verticillium b. Fusarium c. Xanthomonas d. Meloidogyne
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12) Some ______ varieties of apple exude toxic wax on leaf surface to prevent germination of conidia of Podosphaera leucotricha: a. Scab resistant b. Leaf blight resistant c. Powdery mildew resistant d. Rust resistant
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13) Some varieties of _____ are resistant to wilt due to the presence of hydrocyanidies (HCN) in root exudates: a. Sunflower b. Safflower c. Castor d. Linseed
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14) Species Plantarum is the greatest contribution of: a. Linnaeus b. P.A. Micheli c. Saccardo d. Anton de Bary
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15) Sporangium on germination produce vesicle in genera: a. Phytophyhora b. Pythium c. Sclerospora d. Personospora
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16) Stipe disease of barley is caused by: a. Drechalera gramineum b. Drechalera oryzae c. Puccinia striiformis d. None of the above
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17) Striga is plant parasite included in: a. Fungi b. Mycoplasma like organisms c. Phanerogamic plant parasites d. Bacteria
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18) Sugar beet cyst nematode was reported by: a. Needham b. Cobb c. Schacht d. Smith
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19) Systemic fungicides was discovered by: a. Van Schleming and Kulka b. Millardet c. Tillet d. Prevost
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20) Taphrina causes the disease: a. Chillies leaf curt b. Tomato leaf curt c. Peach leaf curt d. Potato leaf curt
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21) Term commensalism shows: a. Living together of the two species, one of which is benefited by the association where as the other is neither beneficial nor harmful b. Living together of two or more species of organism for mutual benefit c. The joint action of the two-organisms on a carbohydrate, resulting in the production of gas that is not formed by either organism cultivated separatel d. Living two organism together which are harmful to each other
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22) The anal and vulval openings in nematodes are located on: a. Dorsal side b. Lateral side c. Ventral side d. Dorso-lateral side
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23) The ______ botanist Micheli (1679-1737) was the first scientist who in 1729 studied fungi and saw their spores: a. German b. Dutch c. Italian d. Australian
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24) The casual organism for earcockle disease of wheat is: a. Meloidogyne spp. b. Heterodera avenae c. Anguina tritici d. None of these
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25) The class ends with: a. Mycotina b. Mycetes c. Oomycetes d. Zygomycetes
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26) The discovery of _____ mosaic by Meyer in 1886 was the beginning of studies on viruses as incitants of diseases in plants: a. Tomato b. Mungbean c. Tobacco d. Soyabean
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27) The epidermal cells of ____ plant become filled with toxic terpenoid aldehyde after they are few days old and these cells are rarely penetrated by pathogens: a. Jute b. Flax c. Cotton d. Okra
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28) The founder of mycology was: a. Linnaeus b. Anton de Bary c. P.A. Micheli d. Saccardo
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29) The genera Claviceps. Alternaria and Sclerospora are: a. Bacteria b. Fungi c. MLO d. Virus
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30) The microorganism, used in brewing industry is: a. Aspergillus b. Yeast c. Rhizobium d. Virus
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31) The nematode Radopholus similes has shown the maximum numbers at a soil depth of: a. 5-15 m b. 20-30 m c. 32-42 m d. 1-4 m
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32) The organism included in order pernosporales cause the disease known as: a. Downy mildew b. Smut c. Rust d. Powdery mildew
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33) The organism lacking a well defined necleus are termed: a. Fungi b. Prokaryote c. Eucaryote d. Protozoa
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34) The organisms included in order Peronosporales cause the disease known as: a. Rusts b. Smut c. Smut d. Powdery mildew
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35) The organisms lacking a well defined nucleus are termed: a. Fungi b. Prokaryote c. Eukaryote d. Protozoa
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36) The plant disease caused by an algae is: a. Blue mold of tobacco b. Red rust of tea c. Aster yellows d. None of the above
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37) The plant disease primarily responsive for the"Great Bengal Famine" of 1943 was: a. Blast disease of rice b. Bacterial blight of rice c. Udbatta disease of rice d. Brown leaf spot of rice
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38) The plant mycoplasmal diseases are transmitted by: a. Aphids b. Leaf hoppers c. Mites d. Above all
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39) The two important diseases of sugarcane would include: a. Little leaf and bacterial wilt b. Red rot and grassy shoot c. Red rot and bund d. Bakanae disease and stem canker
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40) Tilletia causes the disease: a. Rust b. Smut c. Bunt d. Karnal Bunt
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41) To which group Dithane Z-78 belongs: a. Organomercurial b. Dithiocarbomic acid c. Heterocyclic nitrogen compound d. None of these
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42) Choose the odd one: a. Leafspot = Paddy, Pigeonpea b. Zonate leaf spot = Jawar c. Red leaf = Sugarcane d. Leaf blight = Wheat
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43) Tobacco mosaic virus was first reported by: a. Smith b. Martin c. Mayer d. Beijerinck
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44) Tobacco mosaic infections intity was isolated in pure crystalline form of protein by: a. Stanley b. Beijerinck c. Iwanowsky d. Bawden
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45) Tolyposorium penicillarie cause: a. Smut of sugarcane b. Grain smut of sorghum c. Bajra smut d. Head smut of sorghum
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46) Tomato leaf curl is caused by: a. Bacteria b. Fungi c. Mycoplasma d. Virus
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47) Transduction is a process of multiplication in: a. Fungi b. Bacteria c. Bacteriophages d. Nematode
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48) Transformation is a process of multiplication in: a. Fungi b. Bacteria c. Bacteriophagus d. Nematode
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49) Trichodorus belongs to family: a. Trichodoridae b. Heteroderidae c. Nacobbidae d. Longidoridae
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50) Tundu disease of what is caused by: a. Anguina b. Corynebacterium c. Both (a) & (b) d. Heterod ra
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