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1. Cryptogams include :

 
 
 
 

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

 
 
 
 

3. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Roots are absent in :

 
 
 
 

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

 
 
 
 

10. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

15. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Embryophyta includes :

 
 
 
 

19. Red rot of sugarcane is caused by :

 
 
 
 

20. Pteridophytes are also known as :

 
 
 
 

21. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

22. Oswald Tippo’s classification was based on :

 
 
 
 

23. Spermatophyta are characterized by producing:

 
 
 
 

24. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

26. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Fruits are not found in :

 
 
 
 

31. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

33. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

35. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

40. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

42. Etiology includes the study of :

 
 
 
 

43. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

45. Most primitive embryophytes are placed in :

 
 
 
 

46. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

48. Late blight of potato is caused by :

 
 
 
 

49. Ovules are not found enclosed in ovary in :

 
 
 
 

50. Small epidermal swellings due to infection are called :

 
 
 
 

51. Which of the following does not contain chlorophyll?

 
 
 
 

52. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

57. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

63. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

72. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

74. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

76. Club moss and Peat moss belong to:

 
 
 
 

77. Embryo formation is not known in :

 
 
 
 

78. Which of the following are included in Tracheophyta?

 
 
 
 

79. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Smut of maize is caused by :

 
 
 
 

83. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Which among the following is a shrub?

 
 
 
 

90. Which one of the following is a monocot?

 
 
 
 

91. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

92. Chief constituents of bordeaux mixture are :

 
 
 
 

93. Woody climbers are known as :

 
 
 
 

94. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

97. Green plants are classified as :

 
 
 
 

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

 
 
 
 

99. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

101. Liverworts are included in :

 
 
 
 


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