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1. Club moss is the common name of :

 
 
 
 

2. Which one of the following is a monocot?

 
 
 
 

3. Vascular tissue is found in :

 
 
 
 

4. Cryptogams include :

 
 
 
 

5. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

7. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

18. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

22. Downy mildew disease is caused by :

 
 
 
 

23. Black rust of wheat is caused by:

 
 
 
 

24. Fruits are not found in :

 
 
 
 

25. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

27. Green plants are classified as :

 
 
 
 

28. Aflatoxin is produced as a product in :

 
 
 
 

29. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Club moss and Peat moss belong to:

 
 
 
 

36. Vascular cryptogam is the term used for :

 
 
 
 

37. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

38. Leaf spot of groundnut is caused by :

 
 
 
 

39. Liverworts are included in :

 
 
 
 

40. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

45. Which of the following statements is not correct?

 
 
 
 

46. Woody climbers are known as :

 
 
 
 

47. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

49. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Citrus canker is caused by :

 
 
 
 

59. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

65. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Red rot of sugarcane is caused by :

 
 
 
 

69. Roots are absent in :

 
 
 
 

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

 
 
 
 

71. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

73. Ergot is obtained from :

 
 
 
 

74. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Small epidermal swellings due to infection are called :

 
 
 
 

78. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Smut of maize is caused by :

 
 
 
 

82. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

84. The disease symptom necrosis refers to :

 
 
 
 

85. Pteridophytes are also known as :

 
 
 
 

86. Red rot of sugarcane is caused by :

 
 
 
 

87. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

94. Banana bunchy top is caused by :

 
 
 
 

95. Most primitive embryophytes are placed in :

 
 
 
 

96. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Late blight of potato is caused by :

 
 
 
 

101. Oswald Tippo’s classification was based on :

 
 
 
 


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