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1. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Which of the following statements is not correct?

 
 
 
 

5. Smut of maize is caused by :

 
 
 
 

6. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Pteridophytes are also known as :

 
 
 
 

11. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Club moss is the common name of :

 
 
 
 

20. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

22. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

23. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

25. Cryptogams include :

 
 
 
 

26. Embryo formation is not known in :

 
 
 
 

27. Downy mildew disease is caused by :

 
 
 
 

28. Maximum diversity of life forms occurs in :

 
 
 
 

29. Multicellular and jacketed sex organs are found in :

 
 
 
 

30. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

31. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

33. The disease symptom necrosis refers to :

 
 
 
 

34. Ergot is obtained from :

 
 
 
 

35. Seeds are characteristically found in :

 
 
 
 

36. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Oswald Tippo’s classification was based on :

 
 
 
 

52. Roots are absent in :

 
 
 
 

53. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

55. Black rust of wheat is caused by:

 
 
 
 

56. Red rot of sugarcane is caused by :

 
 
 
 

57. Leaf spot of groundnut is caused by :

 
 
 
 

58. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Late blight of potato is caused by :

 
 
 
 

63. Pythium debaryanum is the causative agent of:

 
 
 
 

64. Ovules are not found enclosed in ovary in :

 
 
 
 

65. Etiology includes the study of :

 
 
 
 

66. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

68. Citrus canker is caused by :

 
 
 
 

69. Woody climbers are known as :

 
 
 
 

70. Bryophyta have been placed in cryptogams because:

 
 
 
 

71. Chief constituents of bordeaux mixture are :

 
 
 
 

72. Aflatoxin is produced as a product in :

 
 
 
 

73. Fruits are not found in :

 
 
 
 

74. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

80. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

82. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

84. Green plants are classified as :

 
 
 
 

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

 
 
 
 

86. Which of the following does not contain chlorophyll?

 
 
 
 

87. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

90. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

92. Embryophyta includes :

 
 
 
 

93. Liverworts are included in :

 
 
 
 

94. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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