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1. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Black rust of wheat is caused by:

 
 
 
 

7. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

9. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

10. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

12. Ovules are not found enclosed in ovary in :

 
 
 
 

13. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

15. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Pteridophytes are also known as :

 
 
 
 

22. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

30. Ovary is absent in :

 
 
 
 

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

 
 
 
 

32. Banana bunchy top is caused by :

 
 
 
 

33. Multicellular and jacketed sex organs are found in :

 
 
 
 

34. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

36. Disease resistant plant varieties can be produced by :

 
 
 
 

37. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

38. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Ergot is obtained from :

 
 
 
 

44. Liverworts are included in :

 
 
 
 

45. Gymnosperms could also be called as:

 
 
 
 

46. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Club moss is the common name of :

 
 
 
 

50. Smut of maize is caused by :

 
 
 
 

51. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

53. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

55. Club moss and Peat moss belong to:

 
 
 
 

56. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Citrus canker is caused by :

 
 
 
 

60. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

62. Which of the following are included in Tracheophyta?

 
 
 
 

63. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Most primitive embryophytes are placed in :

 
 
 
 

69. Cryptogams include :

 
 
 
 

70. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Quarantine regulations are concerned with:

 
 
 
 

74. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

76. Downy mildew disease is caused by :

 
 
 
 

77. Pythium debaryanum is the causative agent of:

 
 
 
 

78. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

80. Red rot of sugarcane is caused by :

 
 
 
 

81. Which of the following does not contain chlorophyll?

 
 
 
 

82. Vascular tissue is found in :

 
 
 
 

83. Woody climbers are known as :

 
 
 
 

84. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

88. Embryo formation is not known in :

 
 
 
 

89. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

93. Vascular cryptogam is the term used for :

 
 
 
 

94. Leaf spot of groundnut is caused by :

 
 
 
 

95. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

97. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

99. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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