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1. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

3. Leaf spot of groundnut is caused by :

 
 
 
 

4. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Vascular tissue is found in :

 
 
 
 

8. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

10. Fruits are not found in :

 
 
 
 

11. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

13. Oswald Tippo’s classification was based on :

 
 
 
 

14. Roots are absent in :

 
 
 
 

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

 
 
 
 

16. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

21. Woody climbers are known as :

 
 
 
 

22. Which of the following does not contain chlorophyll?

 
 
 
 

23. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

24. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

35. Chief constituents of bordeaux mixture are :

 
 
 
 

36. Multicellular and jacketed sex organs are found in :

 
 
 
 

37. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Mixed cropping helps :

 
 
 
 

42. Citrus canker is caused by :

 
 
 
 

43. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

49. Ovary is absent in :

 
 
 
 

50. Maximum diversity of life forms occurs in :

 
 
 
 

51. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Club moss and Peat moss belong to:

 
 
 
 

55. Aflatoxin is produced as a product in :

 
 
 
 

56. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

58. Red rot of sugarcane is caused by :

 
 
 
 

59. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

61. Embryo formation is not known in :

 
 
 
 

62. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

64. Embryophyta includes :

 
 
 
 

65. Rice, pea, potato are :

 
 
 
 

66. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Liverworts are included in :

 
 
 
 

71. Seeds are characteristically found in :

 
 
 
 

72. Quarantine regulations are concerned with:

 
 
 
 

73. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Downy mildew disease is caused by :

 
 
 
 

77. Green plants are classified as :

 
 
 
 

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

 
 
 
 

79. Pteridophytes are also known as :

 
 
 
 

80. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

85. Gymnosperms could also be called as:

 
 
 
 

86. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

88. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

90. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

93. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

96. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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