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1. Black rust of wheat is caused by:

 
 
 
 

2. Mixed cropping helps :

 
 
 
 

3. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

5. Liverworts are included in :

 
 
 
 

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

 
 
 
 

7. Embryo formation is not known in :

 
 
 
 

8. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Quarantine regulations are concerned with:

 
 
 
 

12. Club moss and Peat moss belong to:

 
 
 
 

13. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Rice, pea, potato are :

 
 
 
 

17. Which of the following are included in Tracheophyta?

 
 
 
 

18. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

19. Embryophyta includes :

 
 
 
 

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

 
 
 
 

21. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

23. Club moss is the common name of :

 
 
 
 

24. Which of the following statements is not correct?

 
 
 
 

25. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

27. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

29. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

30. Citrus canker is caused by :

 
 
 
 

31. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which of the following does not contain chlorophyll?

 
 
 
 

41. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

43. Seeds are characteristically found in :

 
 
 
 

44. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Oswald Tippo’s classification is:

 
 
 
 

48. Green plants are classified as :

 
 
 
 

49. Which among the following is a shrub?

 
 
 
 

50. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Vascular tissue is found in :

 
 
 
 

61. Ovary is absent in :

 
 
 
 

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

 
 
 
 

63. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

65. Roots are absent in :

 
 
 
 

66. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

68. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

70. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

71. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

73. Cryptogams include :

 
 
 
 

74. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

76. Pteridophytes are also known as :

 
 
 
 

77. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. Downy mildew disease is caused by :

 
 
 
 

88. Red rot of sugarcane is caused by :

 
 
 
 

89. Fruits are not found in :

 
 
 
 

90. Late blight of potato is caused by :

 
 
 
 

91. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

93. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

100. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 


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