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1. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Oswald Tippo’s classification was based on :

 
 
 
 

7. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

14. Liverworts are included in :

 
 
 
 

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

 
 
 
 

16. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

20. Which one of the following is a monocot?

 
 
 
 

21. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

28. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

30. Small epidermal swellings due to infection are called :

 
 
 
 

31. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

33. Fruits are not found in :

 
 
 
 

34. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

36. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

38. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Which of the following does not contain chlorophyll?

 
 
 
 

42. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

44. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

46. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Embryophyta includes :

 
 
 
 

51. Black rust of wheat is caused by:

 
 
 
 

52. Downy mildew disease is caused by :

 
 
 
 

53. Vascular tissue is found in :

 
 
 
 

54. Which of the following statements is not correct?

 
 
 
 

55. Mixed cropping helps :

 
 
 
 

56. Cryptogams include :

 
 
 
 

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

 
 
 
 

58. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Vascular cryptogam is the term used for :

 
 
 
 

63. Embryo formation is not known in :

 
 
 
 

64. Ovary is absent in :

 
 
 
 

65. Which among the following is a shrub?

 
 
 
 

66. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

68. Woody climbers are known as :

 
 
 
 

69. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Ergot is obtained from :

 
 
 
 

73. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

75. Spermatophyta are characterized by producing:

 
 
 
 

76. Pteridophytes are also known as :

 
 
 
 

77. Club moss and Peat moss belong to:

 
 
 
 

78. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

80. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Most primitive embryophytes are placed in :

 
 
 
 

84. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

86. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

90. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Gymnosperms could also be called as:

 
 
 
 

95. Green plants are classified as :

 
 
 
 

96. Multicellular and jacketed sex organs are found in :

 
 
 
 

97. Bryophyta have been placed in cryptogams because:

 
 
 
 

98. Banana bunchy top is caused by :

 
 
 
 

99. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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