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1. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

3. Which of the following does not contain chlorophyll?

 
 
 
 

4. Ovary is absent in :

 
 
 
 

5. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

7. The disease symptom necrosis refers to :

 
 
 
 

8. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

10. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

12. Fruits are not found in :

 
 
 
 

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

 
 
 
 

14. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

16. Embryo formation is not known in :

 
 
 
 

17. Maximum diversity of life forms occurs in :

 
 
 
 

18. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

34. Red rot of sugarcane is caused by :

 
 
 
 

35. Liverworts are included in :

 
 
 
 

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

 
 
 
 

37. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

38. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

40. Pythium debaryanum is the causative agent of:

 
 
 
 

41. Cryptogams include :

 
 
 
 

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

 
 
 
 

43. Aflatoxin is produced as a product in :

 
 
 
 

44. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

45. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Ergot is obtained from :

 
 
 
 

52. Vascular cryptogam is the term used for :

 
 
 
 

53. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Quarantine regulations are concerned with:

 
 
 
 

60. Seeds are characteristically found in :

 
 
 
 

61. Small epidermal swellings due to infection are called :

 
 
 
 

62. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

64. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Oswald Tippo’s classification was based on :

 
 
 
 

75. Which among the following is a shrub?

 
 
 
 

76. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following statements is not correct?

 
 
 
 

81. Downy mildew disease is caused by :

 
 
 
 

82. Club moss and Peat moss belong to:

 
 
 
 

83. Ovules are not found enclosed in ovary in :

 
 
 
 

84. Woody climbers are known as :

 
 
 
 

85. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

88. Chief constituents of bordeaux mixture are :

 
 
 
 

89. Spermatophyta are characterized by producing:

 
 
 
 

90. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

93. Embryophyta includes :

 
 
 
 

94. Oswald Tippo’s classification is:

 
 
 
 

95. Vascular tissue is found in :

 
 
 
 

96. Roots are absent in :

 
 
 
 

97. Rice, pea, potato are :

 
 
 
 

98. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

100. Multicellular and jacketed sex organs are found in :

 
 
 
 

101. Most primitive embryophytes are placed in :

 
 
 
 


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