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1. Black rust of wheat is caused by:

 
 
 
 

2. Seeds are characteristically found in :

 
 
 
 

3. Maximum diversity of life forms occurs in :

 
 
 
 

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 one of the following is a monocot?

 
 
 
 

6. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Spermatophyta are characterized by producing:

 
 
 
 

13. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

15. Most primitive embryophytes are placed in :

 
 
 
 

16. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Club moss is the common name of :

 
 
 
 

24. Pythium debaryanum is the causative agent of:

 
 
 
 

25. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

27. Red rot of sugarcane is caused by :

 
 
 
 

28. Which of the following is a monocot?

 
 
 
 

29. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Bryophyta have been placed in cryptogams because:

 
 
 
 

35. Liverworts are included in :

 
 
 
 

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

 
 
 
 

37. Embryo formation is not known in :

 
 
 
 

38. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

46. Red rot of sugarcane is caused by :

 
 
 
 

47. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

49. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Multicellular and jacketed sex organs are found in :

 
 
 
 

53. Downy mildew disease is caused by :

 
 
 
 

54. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

56. Late blight of potato is caused by :

 
 
 
 

57. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Disease resistant plant varieties can be produced by :

 
 
 
 

62. Ovary is absent in :

 
 
 
 

63. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Small epidermal swellings due to infection are called :

 
 
 
 

67. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

69. Which of the following are included in Tracheophyta?

 
 
 
 

70. Which among the following is a shrub?

 
 
 
 

71. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

73. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Citrus canker is caused by :

 
 
 
 

79. Which of the following does not contain chlorophyll?

 
 
 
 

80. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

81. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

83. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

85. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

87. Vascular cryptogam is the term used for :

 
 
 
 

88. Ergot is obtained from :

 
 
 
 

89. Cryptogams include :

 
 
 
 

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

 
 
 
 

91. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

96. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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