🧪 Agriculture MCQ Quiz Hub

Agriculture Plant Pathology Set-2

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1. Choose the wrong combination:




2. In which rust pustules are arranged in end-to-end manner and forming strip?




3. Anthracnose of Grape is also known as:




4. Yellow pigment in the culture is produced by:




5. Irish famine was caused due to:




6. Late blight of potato is caused by:




7. Leaf roll of potato is caused by:




8. Leaf roll of potato is transmitted by:




9. Levillula is a:




10. Lichen is an association between:




11. Linseed rust is caused by:




12. Acervuli is _____ shaped:




13. Loose smut of wheat can be effectively controlled by:




14. Loose smut of wheat is a disease known as:




15. Meloidogyne belongs to group of:




16. Micro organisms were first observed by:




17. Microbiology is the science of which we study: A. B. C. D.




18. Modification of floral parts into leafy structures by pathogenic infection called:




19. Yellow ear rot of wheat is caused by:




20. Most effective fungicide against powdery mildew disease:




21. Most of the plant parasitic nematodes belong to order:




22. Mycology is the study of: A. B. C. D.




23. Mycoplasma disease of plant was first reported by:




24. Mycoplasma is sensitive to:




25. Plant overgrowth due to increase in size of cell of the tissue:




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




27. Hemittodet penetrate in plant tissues with the aid of:




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




29. Once the pathogen has established in an area steps taken to remove or destroy is known as:




30. Plant overgrowth due to increase in size of cell of the tissue:




31. Pectinolytic enzymes of plant pathogens playa major role during pathogenesis in diseases like:




32. Phycomycetes belong to:




33. Phyllactinis causes the disease:




34. Phytophthera belongs to family:




35. With regard to nutrition Erysiphe is:




36. Plant parasitic nematodes posses:




37. Plant pathogenic viroids contain:




38. With Phase is common in:




39. Powdery mildew disease is caused by:




40. Powdery mildew fungi belong to the family:




41. The symptom of red rot of sugarcane mostly found on:




42. Powdery mildews are controlled by spray of:




43. Primary source of infection to green ear disease of bajra is:




44. Pycnidia are formed in order:




45. Pythium belongs to class:




46. Radophyceae is also known as:




47. Red rot of sugarcane is caused by:




48. Red scales of ______ (red varieties) contain protocatechuic acid and catechol which may exude in drops to resist the attack of colletotrichum circinans:




49. Rhizopus belongs to class:




50. Root knot of vegetable is caused by:




51. Root parasite of bajra is:




52. Root rot of papaya could be controlled by application of:




53. Rust teleutospore on germination produce:




54. Rust belongs to sub-division:




55. Secondary spread of ergot of bajra is through:




56. Severity of disease club root of cabbage can be reduced by application of:




57. Sexual dimorphism means:




58. Shape of bacterial cells is:




59. Smut gives the appearance of:




60. Smut of wheat is effectively controlled by:




61. Wilt of arhar is caused by:




62. Some ______ varieties of apple exude toxic wax on leaf surface to prevent germination of conidia of Podosphaera leucotricha:




63. Some varieties of _____ are resistant to wilt due to the presence of hydrocyanidies (HCN) in root exudates:




64. Species Plantarum is the greatest contribution of:




65. Sporangium on germination produce vesicle in genera:




66. Stipe disease of barley is caused by:




67. Strawbery plants infected with P. penetrans (nematode) have been successfully treated with exposure in hot water at:




68. Striga is plant parasite included in:




69. Sugar beet cyst nematode was reported by:




70. Systemic fungicides was discovered by: