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1. Liverworts are included in :

 
 
 
 

2. Quarantine regulations are concerned with:

 
 
 
 

3. Small epidermal swellings due to infection are called :

 
 
 
 

4. Pteridophytes are also known as :

 
 
 
 

5. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Leaf spot of groundnut is caused by :

 
 
 
 

12. Disease resistant plant varieties can be produced by :

 
 
 
 

13. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

18. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Which among the following is a shrub?

 
 
 
 

22. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

24. Vascular tissue is found in :

 
 
 
 

25. Seeds are characteristically found in :

 
 
 
 

26. Oswald Tippo’s classification was based on :

 
 
 
 

27. Red rot of sugarcane is caused by :

 
 
 
 

28. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

33. Etiology includes the study of :

 
 
 
 

34. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Ovules are not found enclosed in ovary in :

 
 
 
 

38. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

40. Fruits are not found in :

 
 
 
 

41. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Which of the following is a monocot?

 
 
 
 

50. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

57. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Gymnosperms could also be called as:

 
 
 
 

62. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

64. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Mixed cropping helps :

 
 
 
 

68. Club moss and Peat moss belong to:

 
 
 
 

69. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Embryophyta includes :

 
 
 
 

73. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

79. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

81. Pythium debaryanum is the causative agent of:

 
 
 
 

82. Oswald Tippo’s classification is:

 
 
 
 

83. Embryo formation is not known in :

 
 
 
 

84. Club moss is the common name of :

 
 
 
 

85. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

87. Roots are absent in :

 
 
 
 

88. Green plants are classified as :

 
 
 
 

89. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

91. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

93. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

96. Spermatophyta are characterized by producing:

 
 
 
 

97. Ovary is absent in :

 
 
 
 

98. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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