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

 
 
 
 

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

 
 
 
 

3. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

5. Fruits are not found in :

 
 
 
 

6. Which of the following statements is not correct?

 
 
 
 

7. Which one of the following is a monocot?

 
 
 
 

8. Cryptogams include :

 
 
 
 

9. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

11. Black rust of wheat is caused by:

 
 
 
 

12. Chief constituents of bordeaux mixture are :

 
 
 
 

13. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

19. Mixed cropping helps :

 
 
 
 

20. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

22. Embryophyta includes :

 
 
 
 

23. Ovary is absent in :

 
 
 
 

24. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Multicellular and jacketed sex organs are found in :

 
 
 
 

29. Pythium debaryanum is the causative agent of:

 
 
 
 

30. Most primitive embryophytes are placed in :

 
 
 
 

31. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

33. Rice, pea, potato are :

 
 
 
 

34. Aflatoxin is produced as a product in :

 
 
 
 

35. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

37. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

44. Red rot of sugarcane is caused by :

 
 
 
 

45. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

47. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

49. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

61. Club moss is the common name of :

 
 
 
 

62. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Which of the following is a monocot?

 
 
 
 

68. Liverworts are included in :

 
 
 
 

69. Pteridophytes are also known as :

 
 
 
 

70. Oswald Tippo’s classification was based on :

 
 
 
 

71. Woody climbers are known as :

 
 
 
 

72. Small epidermal swellings due to infection are called :

 
 
 
 

73. Seeds are characteristically found in :

 
 
 
 

74. Green plants are classified as :

 
 
 
 

75. Quarantine regulations are concerned with:

 
 
 
 

76. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Smut of maize is caused by :

 
 
 
 

83. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Gymnosperms could also be called as:

 
 
 
 

90. Leaf spot of groundnut is caused by :

 
 
 
 

91. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Spermatophyta are characterized by producing:

 
 
 
 

96. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Vascular tissue is found in :

 
 
 
 

100. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 


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