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1. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

3. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

12. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

13. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Which of the following is a monocot?

 
 
 
 

18. Which one of the following is a monocot?

 
 
 
 

19. Red rot of sugarcane is caused by :

 
 
 
 

20. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

22. Which among the following is a shrub?

 
 
 
 

23. The disease symptom necrosis refers to :

 
 
 
 

24. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

26. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Oswald Tippo’s classification is:

 
 
 
 

30. Which of the following statements is not correct?

 
 
 
 

31. Green plants are classified as :

 
 
 
 

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

 
 
 
 

33. Mixed cropping helps :

 
 
 
 

34. Vascular cryptogam is the term used for :

 
 
 
 

35. Liverworts are included in :

 
 
 
 

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

 
 
 
 

37. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

46. Ovules are not found enclosed in ovary in :

 
 
 
 

47. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

49. Bryophyta have been placed in cryptogams because:

 
 
 
 

50. Most primitive embryophytes are placed in :

 
 
 
 

51. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Roots are absent in :

 
 
 
 

55. Etiology includes the study of :

 
 
 
 

56. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

58. Gymnosperms could also be called as:

 
 
 
 

59. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

61. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

63. Multicellular and jacketed sex organs are found in :

 
 
 
 

64. Cryptogams include :

 
 
 
 

65. Seeds are characteristically found in :

 
 
 
 

66. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Citrus canker is caused by :

 
 
 
 

71. Maximum diversity of life forms occurs in :

 
 
 
 

72. Rice, pea, potato are :

 
 
 
 

73. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

75. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

86. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

88. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Fruits are not found in :

 
 
 
 

93. Embryophyta includes :

 
 
 
 

94. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Pteridophytes are also known as :

 
 
 
 

100. Quarantine regulations are concerned with:

 
 
 
 

101. Late blight of potato is caused by :

 
 
 
 


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