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1. Liverworts are included in :

 
 
 
 

2. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

3. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

5. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Club moss is the common name of :

 
 
 
 

10. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Oswald Tippo’s classification was based on :

 
 
 
 

22. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

24. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Red rot of sugarcane is caused by :

 
 
 
 

28. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

30. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

32. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

34. Roots are absent in :

 
 
 
 

35. Fruits are not found in :

 
 
 
 

36. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

38. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Green plants are classified as :

 
 
 
 

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

 
 
 
 

43. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

45. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

47. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

48. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

50. Which of the following does not contain chlorophyll?

 
 
 
 

51. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

53. Ergot is obtained from :

 
 
 
 

54. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

56. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

61. Pteridophytes are also known as :

 
 
 
 

62. Etiology includes the study of :

 
 
 
 

63. Bryophyta have been placed in cryptogams because:

 
 
 
 

64. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

69. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Citrus canker is caused by :

 
 
 
 

73. Embryo formation is not known in :

 
 
 
 

74. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

76. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Aflatoxin is produced as a product in :

 
 
 
 

82. Club moss and Peat moss belong to:

 
 
 
 

83. Which one of the following is a monocot?

 
 
 
 

84. Banana bunchy top is caused by :

 
 
 
 

85. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

87. Ovary is absent in :

 
 
 
 

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

 
 
 
 

89. Late blight of potato is caused by :

 
 
 
 

90. Embryophyta includes :

 
 
 
 

91. Which of the following statements is not correct?

 
 
 
 

92. Small epidermal swellings due to infection are called :

 
 
 
 

93. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

95. Quarantine regulations are concerned with:

 
 
 
 

96. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 


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