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1. Woody climbers are known as :

 
 
 
 

2. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

4. Bryophyta have been placed in cryptogams because:

 
 
 
 

5. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Embryophyta includes :

 
 
 
 

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

 
 
 
 

12. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

14. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Maximum diversity of life forms occurs in :

 
 
 
 

19. Late blight of potato is caused by :

 
 
 
 

20. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

22. Leaf spot of groundnut is caused by :

 
 
 
 

23. Club moss is the common name of :

 
 
 
 

24. Liverworts are included in :

 
 
 
 

25. Which of the following are included in Tracheophyta?

 
 
 
 

26. Roots are absent in :

 
 
 
 

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

 
 
 
 

28. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Ergot is obtained from :

 
 
 
 

32. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

34. Ovary is absent in :

 
 
 
 

35. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Green plants are classified as :

 
 
 
 

40. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Fruits are not found in :

 
 
 
 

44. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Red rot of sugarcane is caused by :

 
 
 
 

48. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

50. Cryptogams include :

 
 
 
 

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

 
 
 
 

52. Which of the following is a monocot?

 
 
 
 

53. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

55. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Rice, pea, potato are :

 
 
 
 

60. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

62. Oswald Tippo’s classification is:

 
 
 
 

63. Aflatoxin is produced as a product in :

 
 
 
 

64. Oswald Tippo’s classification was based on :

 
 
 
 

65. Most primitive embryophytes are placed in :

 
 
 
 

66. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

68. Pteridophytes are also known as :

 
 
 
 

69. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

71. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

73. Vascular cryptogam is the term used for :

 
 
 
 

74. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Downy mildew disease is caused by :

 
 
 
 

78. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

80. Etiology includes the study of :

 
 
 
 

81. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Which of the following does not contain chlorophyll?

 
 
 
 

86. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

88. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

91. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

96. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

101. Black rust of wheat is caused by:

 
 
 
 


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