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

 
 
 
 

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

 
 
 
 

3. Pythium debaryanum is the causative agent of:

 
 
 
 

4. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

6. Red rot of sugarcane is caused by :

 
 
 
 

7. Seeds are characteristically found in :

 
 
 
 

8. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Small epidermal swellings due to infection are called :

 
 
 
 

22. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Oswald Tippo’s classification is:

 
 
 
 

26. Roots are absent in :

 
 
 
 

27. Which of the following does not contain chlorophyll?

 
 
 
 

28. Mixed cropping helps :

 
 
 
 

29. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

34. Aflatoxin is produced as a product in :

 
 
 
 

35. Black rust of wheat is caused by:

 
 
 
 

36. Cryptogams include :

 
 
 
 

37. Maximum diversity of life forms occurs in :

 
 
 
 

38. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

40. Which of the following is a monocot?

 
 
 
 

41. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

43. Disease resistant plant varieties can be produced by :

 
 
 
 

44. Liverworts are included in :

 
 
 
 

45. Red rot of sugarcane is caused by :

 
 
 
 

46. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

47. Which of the following are included in Tracheophyta?

 
 
 
 

48. Smut of maize is caused by :

 
 
 
 

49. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Leaf spot of groundnut is caused by :

 
 
 
 

55. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

57. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Embryophyta includes :

 
 
 
 

61. Bryophyta have been placed in cryptogams because:

 
 
 
 

62. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Ergot is obtained from :

 
 
 
 

69. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

71. Banana bunchy top is caused by :

 
 
 
 

72. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Pteridophytes are also known as :

 
 
 
 

78. The disease symptom necrosis refers to :

 
 
 
 

79. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Green plants are classified as :

 
 
 
 

87. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

90. Embryo formation is not known in :

 
 
 
 

91. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

93. Fruits are not found in :

 
 
 
 

94. Gymnosperms could also be called as:

 
 
 
 

95. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

97. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

99. Most primitive embryophytes are placed in :

 
 
 
 

100. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 


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