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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Ovules are not found enclosed in ovary in :

 
 
 
 

5. Red rot of sugarcane is caused by :

 
 
 
 

6. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

8. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

12. Late blight of potato is caused by :

 
 
 
 

13. Seeds are characteristically found in :

 
 
 
 

14. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

16. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

18. Which of the following are included in Tracheophyta?

 
 
 
 

19. Roots are absent in :

 
 
 
 

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

 
 
 
 

21. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Vascular cryptogam is the term used for :

 
 
 
 

26. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

28. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Rice, pea, potato are :

 
 
 
 

34. Club moss is the common name of :

 
 
 
 

35. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

37. Pythium debaryanum is the causative agent of:

 
 
 
 

38. Embryo formation is not known in :

 
 
 
 

39. Green plants are classified as :

 
 
 
 

40. Black rust of wheat is caused by:

 
 
 
 

41. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

43. Red rot of sugarcane is caused by :

 
 
 
 

44. Which of the following does not contain chlorophyll?

 
 
 
 

45. The disease symptom necrosis refers to :

 
 
 
 

46. Liverworts are included in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Quarantine regulations are concerned with:

 
 
 
 

50. Ovary is absent in :

 
 
 
 

51. Which among the following is a shrub?

 
 
 
 

52. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

54. Maximum diversity of life forms occurs in :

 
 
 
 

55. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

57. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

62. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

64. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Gymnosperms could also be called as:

 
 
 
 

83. Embryophyta includes :

 
 
 
 

84. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

86. Which one of the following is a monocot?

 
 
 
 

87. Fruits are not found in :

 
 
 
 

88. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

90. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

92. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Which of the following is a monocot?

 
 
 
 

99. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

101. Cryptogams include :

 
 
 
 


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