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

 
 
 
 

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

 
 
 
 

3. Club moss and Peat moss belong to:

 
 
 
 

4. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

6. Roots are absent in :

 
 
 
 

7. Disease resistant plant varieties can be produced by :

 
 
 
 

8. Maximum diversity of life forms occurs in :

 
 
 
 

9. Pythium debaryanum is the causative agent of:

 
 
 
 

10. Red rot of sugarcane is caused by :

 
 
 
 

11. Gymnosperms could also be called as:

 
 
 
 

12. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

14. Mixed cropping helps :

 
 
 
 

15. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

17. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

18. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Most primitive embryophytes are placed in :

 
 
 
 

22. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

24. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

26. Leaf spot of groundnut is caused by :

 
 
 
 

27. Club moss is the common name of :

 
 
 
 

28. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Embryo formation is not known in :

 
 
 
 

32. Oswald Tippo’s classification was based on :

 
 
 
 

33. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

35. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

37. Oswald Tippo’s classification is:

 
 
 
 

38. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

40. Which of the following does not contain chlorophyll?

 
 
 
 

41. Chief constituents of bordeaux mixture are :

 
 
 
 

42. Liverworts are included in :

 
 
 
 

43. Cryptogams include :

 
 
 
 

44. Ovary is absent in :

 
 
 
 

45. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Green plants are classified as :

 
 
 
 

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

 
 
 
 

50. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

52. Downy mildew disease is caused by :

 
 
 
 

53. Which of the following are included in Tracheophyta?

 
 
 
 

54. The disease symptom necrosis refers to :

 
 
 
 

55. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

57. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

59. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

70. Banana bunchy top is caused by :

 
 
 
 

71. Citrus canker is caused by :

 
 
 
 

72. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

74. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

82. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Woody climbers are known as :

 
 
 
 

93. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

100. Pteridophytes are also known as :

 
 
 
 

101. Black rust of wheat is caused by:

 
 
 
 


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