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1. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

7. Woody climbers are known as :

 
 
 
 

8. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

10. Bryophyta have been placed in cryptogams because:

 
 
 
 

11. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

12. Chief constituents of bordeaux mixture are :

 
 
 
 

13. Aflatoxin is produced as a product in :

 
 
 
 

14. Most primitive embryophytes are placed in :

 
 
 
 

15. Club moss is the common name of :

 
 
 
 

16. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Oswald Tippo’s classification is:

 
 
 
 

23. Multicellular and jacketed sex organs are found in :

 
 
 
 

24. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

26. Disease resistant plant varieties can be produced by :

 
 
 
 

27. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

29. Oswald Tippo’s classification was based on :

 
 
 
 

30. Liverworts are included in :

 
 
 
 

31. Vascular cryptogam is the term used for :

 
 
 
 

32. Quarantine regulations are concerned with:

 
 
 
 

33. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Downy mildew disease is caused by :

 
 
 
 

37. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

42. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Rice, pea, potato are :

 
 
 
 

47. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Ovary is absent in :

 
 
 
 

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

 
 
 
 

52. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

58. Club moss and Peat moss belong to:

 
 
 
 

59. Which of the following are included in Tracheophyta?

 
 
 
 

60. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

62. Leaf spot of groundnut is caused by :

 
 
 
 

63. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

68. Which of the following does not contain chlorophyll?

 
 
 
 

69. Vascular tissue is found in :

 
 
 
 

70. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Which among the following is a shrub?

 
 
 
 

74. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

79. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

88. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

91. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

93. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

96. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Spermatophyta are characterized by producing:

 
 
 
 

100. Roots are absent in :

 
 
 
 

101. Cryptogams include :

 
 
 
 


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