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1. Ovary is absent in :

 
 
 
 

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

 
 
 
 

3. Downy mildew disease is caused by :

 
 
 
 

4. Gymnosperms could also be called as:

 
 
 
 

5. Roots are absent in :

 
 
 
 

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

 
 
 
 

7. Club moss is the common name of :

 
 
 
 

8. Chief constituents of bordeaux mixture are :

 
 
 
 

9. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

14. Pteridophytes are also known as :

 
 
 
 

15. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

17. Ergot is obtained from :

 
 
 
 

18. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Disease resistant plant varieties can be produced by :

 
 
 
 

22. Fruits are not found in :

 
 
 
 

23. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Mixed cropping helps :

 
 
 
 

29. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

31. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

35. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

37. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Banana bunchy top is caused by :

 
 
 
 

41. Red rot of sugarcane is caused by :

 
 
 
 

42. Oswald Tippo’s classification was based on :

 
 
 
 

43. Multicellular and jacketed sex organs are found in :

 
 
 
 

44. Liverworts are included in :

 
 
 
 

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

 
 
 
 

46. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

48. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

50. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Embryophyta includes :

 
 
 
 

54. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

56. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Embryo formation is not known in :

 
 
 
 

60. Leaf spot of groundnut is caused by :

 
 
 
 

61. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

70. Seeds are characteristically found in :

 
 
 
 

71. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Maximum diversity of life forms occurs in :

 
 
 
 

76. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

84. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. Smut of maize is caused by :

 
 
 
 

88. Rice, pea, potato are :

 
 
 
 

89. Black rust of wheat is caused by:

 
 
 
 

90. Aflatoxin is produced as a product in :

 
 
 
 

91. Bryophyta have been placed in cryptogams because:

 
 
 
 

92. Vascular cryptogam is the term used for :

 
 
 
 

93. Small epidermal swellings due to infection are called :

 
 
 
 

94. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

96. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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