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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

5. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which among the following is a shrub?

 
 
 
 

10. Which of the following statements is not correct?

 
 
 
 

11. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Chief constituents of bordeaux mixture are :

 
 
 
 

15. Embryophyta includes :

 
 
 
 

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

 
 
 
 

17. Oswald Tippo’s classification is:

 
 
 
 

18. Rice, pea, potato are :

 
 
 
 

19. Club moss and Peat moss belong to:

 
 
 
 

20. The disease symptom necrosis refers to :

 
 
 
 

21. Late blight of potato is caused by :

 
 
 
 

22. Spermatophyta are characterized by producing:

 
 
 
 

23. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

25. Leaf spot of groundnut is caused by :

 
 
 
 

26. Red rot of sugarcane is caused by :

 
 
 
 

27. Quarantine regulations are concerned with:

 
 
 
 

28. Woody climbers are known as :

 
 
 
 

29. Liverworts are included in :

 
 
 
 

30. Cryptogams include :

 
 
 
 

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

 
 
 
 

32. Club moss is the common name of :

 
 
 
 

33. Multicellular and jacketed sex organs are found in :

 
 
 
 

34. Smut of maize is caused by :

 
 
 
 

35. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Bryophyta have been placed in cryptogams because:

 
 
 
 

39. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

41. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Oswald Tippo’s classification was based on :

 
 
 
 

45. Maximum diversity of life forms occurs in :

 
 
 
 

46. Ergot is obtained from :

 
 
 
 

47. Which of the following are included in Tracheophyta?

 
 
 
 

48. Citrus canker is caused by :

 
 
 
 

49. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Downy mildew disease is caused by :

 
 
 
 

56. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Seeds are characteristically found in :

 
 
 
 

65. Gymnosperms could also be called as:

 
 
 
 

66. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Ovules are not found enclosed in ovary in :

 
 
 
 

70. Pteridophytes are also known as :

 
 
 
 

71. Which of the following is a monocot?

 
 
 
 

72. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

74. Green plants are classified as :

 
 
 
 

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

 
 
 
 

76. Red rot of sugarcane is caused by :

 
 
 
 

77. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

78. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Roots are absent in :

 
 
 
 

83. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

85. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

91. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Ovary is absent in :

 
 
 
 

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

 
 
 
 

100. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 


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