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1. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Small epidermal swellings due to infection are called :

 
 
 
 

6. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

8. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Fruits are not found in :

 
 
 
 

12. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

14. Which of the following statements is not correct?

 
 
 
 

15. Which among the following is a shrub?

 
 
 
 

16. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

21. Mixed cropping helps :

 
 
 
 

22. Pythium debaryanum is the causative agent of:

 
 
 
 

23. Ergot is obtained from :

 
 
 
 

24. Aflatoxin is produced as a product in :

 
 
 
 

25. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

32. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

34. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

36. Chief constituents of bordeaux mixture are :

 
 
 
 

37. Roots are absent in :

 
 
 
 

38. Vascular cryptogam is the term used for :

 
 
 
 

39. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

41. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

43. Liverworts are included in :

 
 
 
 

44. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Leaf spot of groundnut is caused by :

 
 
 
 

49. Oswald Tippo’s classification was based on :

 
 
 
 

50. Cryptogams include :

 
 
 
 

51. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

53. Late blight of potato is caused by :

 
 
 
 

54. Gymnosperms could also be called as:

 
 
 
 

55. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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. Banana bunchy top is caused by :

 
 
 
 

63. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

65. Disease resistant plant varieties can be produced by :

 
 
 
 

66. Embryophyta includes :

 
 
 
 

67. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

69. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

71. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

73. Green plants are classified as :

 
 
 
 

74. Which one of the following is a monocot?

 
 
 
 

75. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

80. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

91. Embryo formation is not known in :

 
 
 
 

92. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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