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1. Which part of the plant is not affected by Albugo?

 
 
 
 

2. Oswald Tippo’s classification was based on :

 
 
 
 

3. Small epidermal swellings due to infection are called :

 
 
 
 

4. Gymnosperms could also be called as:

 
 
 
 

5. A plant bears fruit, has a column of vascular bundle and a tap root system. This plant is a :

 
 
 
 

6. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

7. Which of the following is the kingdom of multicellular producers?

 
 
 
 

8. Ergot is obtained from :

 
 
 
 

9. Pythium debaryanum is the causative agent of:

 
 
 
 

10. Multicellular and jacketed sex organs are found in :

 
 
 
 

11. Severe famine of West Bengal of 1942-43 was due to destruction of rice crop by a fungus called :

 
 
 
 

12. Vascular tissue is found in :

 
 
 
 

13. A control measure prior to the appearance of a particular disease comes under :

 
 
 
 

14. There is a class of phenolic compounds produced by the host plant in response to fungal infections :

 
 
 
 

15. The pathogen that causes covered smut of Sorghum is :

 
 
 
 

16. Downy mildew disease is caused by :

 
 
 
 

17. A perennial that bears flowers and fruits once in a life time is known as :

 
 
 
 

18. Which of the following causes smut disease in cultivated plants?

 
 
 
 

19. Embryophyta includes :

 
 
 
 

20. Which of the following is the most destructive enemies of mankind?

 
 
 
 

21. Which of the following is a monocot?

 
 
 
 

22. Black rust of wheat is caused by:

 
 
 
 

23. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

24. Banana bunchy top is caused by :

 
 
 
 

25. When a diseased plant is legally stopped from export, this is done under :

 
 
 
 

26. Pteridophytes are also known as :

 
 
 
 

27. Which one of the following is a monocot?

 
 
 
 

28. Fruits are not found in :

 
 
 
 

29. A diseased leaf shows some areas with dead tissue. This symptom is often referred to as :

 
 
 
 

30. Bryophyta have been placed in cryptogams because:

 
 
 
 

31. There are some dead and corky areas with definite margins on the stem, branches and fruits of lemon. This disease should be :

 
 
 
 

32. Which group of plants is called “Amphibians of Plant World”?

 
 
 
 

33. The disease symptom necrosis refers to :

 
 
 
 

34. Spermatophyta are characterized by producing:

 
 
 
 

35. Maximum diversity of life forms occurs in :

 
 
 
 

36. A disease is abnormal state that may result due to :

 
 
 
 

37. The causal organism of early blight of potato is :

 
 
 
 

38. A branch of science that deals with nature, symptoms, development and control of plant diseases is called :

 
 
 
 

39. Vascular cryptogam is the term used for :

 
 
 
 

40. Disease resistant plant varieties can be produced by :

 
 
 
 

41. Which of the following is not a fungal disease?

 
 
 
 

42. Rice, pea, potato are :

 
 
 
 

43. All but one group are included in tracheophyta; which group is this :

 
 
 
 

44. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

45. Red rot of sugarcane is caused by :

 
 
 
 

46. The tallest living gymnosperm tree in the world belongs to :

 
 
 
 

47. Atracheata term has been used by Oswald Tippo for :

 
 
 
 

48. When an infection is very wide in occurrence, it is called :

 
 
 
 

49. Which of the following organisms has characters of both animals and plants?

 
 
 
 

50. Leaf spot of groundnut is caused by :

 
 
 
 

51. Club moss and Peat moss belong to:

 
 
 
 

52. Embryo formation is not known in :

 
 
 
 

53. Ovules are not found enclosed in ovary in :

 
 
 
 

54. Red rot of sugarcane is caused by :

 
 
 
 

55. Most primitive embryophytes are placed in :

 
 
 
 

56. Woody climbers are known as :

 
 
 
 

57. A part of pathogen that is transmitted to the host is termed as :

 
 
 
 

58. Chief constituents of bordeaux mixture are :

 
 
 
 

59. Which are non-seed-bearing vascular plants?

 
 
 
 

60. Late blight of potato is caused by :

 
 
 
 

61. According to Woese, fungi were placed in the domain :

 
 
 
 

62. Club moss is the common name of :

 
 
 
 

63. Ovary is absent in :

 
 
 
 

64. Which of the following plants does not belong to Embryophyta?

 
 
 
 

65. The scientist who is famous for his research on rust fungi in India is :

 
 
 
 

66. Who is known as ‘Father of Taxonomy’?

 
 
 
 

67. Citrus canker is caused by :

 
 
 
 

68. Liverworts are included in :

 
 
 
 

69. Seeds are characteristically found in :

 
 
 
 

70. The disease occurring more or less regularly from year to year in a particular locality is referred to as :

 
 
 
 

71. The inability of a plant to resist the effects of a pathogen or any other damaging factors is known as :

 
 
 
 

72. Oswald Tippo’s classification is:

 
 
 
 

73. The plants with soft and delicate stems, about a meter tall are known as :

 
 
 
 

74. Propagating materials like seeds, tubers, grafts and bulbs can be kept free of pathogens by :

 
 
 
 

75. In which group would you place a plant that reproduces by spores, develops embryo but plant body remains undifferentiated into root, stem and leaves?

 
 
 
 

76. Leaves of pea show white powdery patches due to the growth of fungal mycelium with conidia and conidiophores. These are the symptoms of :

 
 
 
 

77. Etiology includes the study of :

 
 
 
 

78. Chemicals which are applied soon after the outset of infection, suppress the development of pathogen, thus curing the plant, are called :

 
 
 
 

79. Quarantine regulations are concerned with:

 
 
 
 

80. Aflatoxin is produced as a product in :

 
 
 
 

81. In which of the following plants would you place heterotrophs like slime moulds, rusts, mushrooms, etc.?

 
 
 
 

82. Roots are absent in :

 
 
 
 

83. If a disease appear on large scale after a long interval it is :

 
 
 
 

84. Which of the following is not a correct match?

 
 
 
 

85. Body disorders due to harmful physiological changes are known as :

 
 
 
 

86. Smut of maize is caused by :

 
 
 
 

87. Which one of the following belong to cryptogams only:

 
 
 
 

88. Cryptogams include :

 
 
 
 

89. An excessive enlargement of diseased organ because of increase in the number of cells is called :

 
 
 
 

90. Which of the following does not help in penetration of pathogen into the host?

 
 
 
 

91. Green plants are classified as :

 
 
 
 

92. Which of the following are included in Tracheophyta?

 
 
 
 

93. The smut mycelium which initiates the infection is usually :

 
 
 
 

94. Which of the following does not contain chlorophyll?

 
 
 
 

95. Which among the following is a shrub?

 
 
 
 

96. Which of the following statements is not correct?

 
 
 
 

97. A plant which reproduces by spores, has vascular tissue but lacks flowers should belong to :

 
 
 
 

98. Mixed cropping helps :

 
 
 
 

99. When the seeds are borne on megasporophylls and are not enclosed in a fruit, the plant belongs to :

 
 
 
 

100. Which of the following is not a viral disease?

 
 
 
 

101. In plants, the substances which accumulate around the site of infection are :

 
 
 
 


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