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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

8. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

14. Multicellular and jacketed sex organs are found in :

 
 
 
 

15. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

17. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

18. Quarantine regulations are concerned with:

 
 
 
 

19. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

21. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Aflatoxin is produced as a product in :

 
 
 
 

26. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Bryophyta have been placed in cryptogams because:

 
 
 
 

30. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

32. Ovules are not found enclosed in ovary in :

 
 
 
 

33. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Disease resistant plant varieties can be produced by :

 
 
 
 

37. Liverworts are included in :

 
 
 
 

38. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

40. Mixed cropping helps :

 
 
 
 

41. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Small epidermal swellings due to infection are called :

 
 
 
 

50. Cryptogams include :

 
 
 
 

51. Rice, pea, potato are :

 
 
 
 

52. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

57. Which of the following statements is not correct?

 
 
 
 

58. Fruits are not found in :

 
 
 
 

59. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Green plants are classified as :

 
 
 
 

65. Embryophyta includes :

 
 
 
 

66. Which of the following are included in Tracheophyta?

 
 
 
 

67. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which among the following is a shrub?

 
 
 
 

71. Late blight of potato is caused by :

 
 
 
 

72. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

74. Ovary is absent in :

 
 
 
 

75. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Black rust of wheat is caused by:

 
 
 
 

79. Chief constituents of bordeaux mixture are :

 
 
 
 

80. Smut of maize is caused by :

 
 
 
 

81. Oswald Tippo’s classification is:

 
 
 
 

82. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which one of the following is a monocot?

 
 
 
 

87. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

90. Pythium debaryanum is the causative agent of:

 
 
 
 

91. Most primitive embryophytes are placed in :

 
 
 
 

92. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Gymnosperms could also be called as:

 
 
 
 

96. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

97. Seeds are characteristically found in :

 
 
 
 

98. Which of the following does not contain chlorophyll?

 
 
 
 

99. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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