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1. Seeds are characteristically found in :

 
 
 
 

2. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

4. Which of the following is a monocot?

 
 
 
 

5. Pythium debaryanum is the causative agent of:

 
 
 
 

6. Embryophyta includes :

 
 
 
 

7. Liverworts are included in :

 
 
 
 

8. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Black rust of wheat is caused by:

 
 
 
 

24. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

29. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Gymnosperms could also be called as:

 
 
 
 

36. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

38. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

40. Ovules are not found enclosed in ovary in :

 
 
 
 

41. Oswald Tippo’s classification was based on :

 
 
 
 

42. Small epidermal swellings due to infection are called :

 
 
 
 

43. Ovary is absent in :

 
 
 
 

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

 
 
 
 

45. Red rot of sugarcane is caused by :

 
 
 
 

46. Red rot of sugarcane is caused by :

 
 
 
 

47. Rice, pea, potato are :

 
 
 
 

48. Etiology includes the study of :

 
 
 
 

49. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

51. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

56. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

58. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Citrus canker is caused by :

 
 
 
 

62. Leaf spot of groundnut is caused by :

 
 
 
 

63. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Cryptogams include :

 
 
 
 

74. Fruits are not found in :

 
 
 
 

75. Which of the following does not contain chlorophyll?

 
 
 
 

76. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

77. Smut of maize is caused by :

 
 
 
 

78. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

80. Green plants are classified as :

 
 
 
 

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

 
 
 
 

82. Aflatoxin is produced as a product in :

 
 
 
 

83. Ergot is obtained from :

 
 
 
 

84. Woody climbers are known as :

 
 
 
 

85. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

88. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

90. Pteridophytes are also known as :

 
 
 
 

91. Chief constituents of bordeaux mixture are :

 
 
 
 

92. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

94. Spermatophyta are characterized by producing:

 
 
 
 

95. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Which of the following statements is not correct?

 
 
 
 

99. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

101. Which of the following are included in Tracheophyta?

 
 
 
 


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