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1. Oswald Tippo’s classification was based on :

 
 
 
 

2. Seeds are characteristically found in :

 
 
 
 

3. Which of the following does not contain chlorophyll?

 
 
 
 

4. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Cryptogams include :

 
 
 
 

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

 
 
 
 

10. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

12. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

17. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

19. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

21. Leaf spot of groundnut is caused by :

 
 
 
 

22. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

24. Which of the following is a monocot?

 
 
 
 

25. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

27. Small epidermal swellings due to infection are called :

 
 
 
 

28. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

30. Vascular tissue is found in :

 
 
 
 

31. Liverworts are included in :

 
 
 
 

32. Which among the following is a shrub?

 
 
 
 

33. Etiology includes the study of :

 
 
 
 

34. Quarantine regulations are concerned with:

 
 
 
 

35. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

37. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Black rust of wheat is caused by:

 
 
 
 

42. Smut of maize is caused by :

 
 
 
 

43. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which of the following statements is not correct?

 
 
 
 

47. Gymnosperms could also be called as:

 
 
 
 

48. Vascular cryptogam is the term used for :

 
 
 
 

49. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Roots are absent in :

 
 
 
 

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

 
 
 
 

57. Disease resistant plant varieties can be produced by :

 
 
 
 

58. The disease symptom necrosis refers to :

 
 
 
 

59. Woody climbers are known as :

 
 
 
 

60. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Ovules are not found enclosed in ovary in :

 
 
 
 

65. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

67. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

69. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Downy mildew disease is caused by :

 
 
 
 

73. Ergot is obtained from :

 
 
 
 

74. Club moss is the common name of :

 
 
 
 

75. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Chief constituents of bordeaux mixture are :

 
 
 
 

82. Embryo formation is not known in :

 
 
 
 

83. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Bryophyta have been placed in cryptogams because:

 
 
 
 

87. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

91. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

97. Embryophyta includes :

 
 
 
 

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

 
 
 
 

99. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

100. Ovary is absent in :

 
 
 
 

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

 
 
 
 


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