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1. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

2. Which one of the following is a monocot?

 
 
 
 

3. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

5. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Spermatophyta are characterized by producing:

 
 
 
 

13. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

15. Liverworts are included in :

 
 
 
 

16. Vascular cryptogam is the term used for :

 
 
 
 

17. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

19. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Banana bunchy top is caused by :

 
 
 
 

23. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

32. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

34. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Rice, pea, potato are :

 
 
 
 

40. Red rot of sugarcane is caused by :

 
 
 
 

41. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

51. Oswald Tippo’s classification was based on :

 
 
 
 

52. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Pythium debaryanum is the causative agent of:

 
 
 
 

56. Which among the following is a shrub?

 
 
 
 

57. Small epidermal swellings due to infection are called :

 
 
 
 

58. Seeds are characteristically found in :

 
 
 
 

59. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Maximum diversity of life forms occurs in :

 
 
 
 

63. Most primitive embryophytes are placed in :

 
 
 
 

64. Embryo formation is not known in :

 
 
 
 

65. Club moss is the common name of :

 
 
 
 

66. Embryophyta includes :

 
 
 
 

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

 
 
 
 

68. Roots are absent in :

 
 
 
 

69. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

71. Aflatoxin is produced as a product in :

 
 
 
 

72. Disease resistant plant varieties can be produced by :

 
 
 
 

73. Gymnosperms could also be called as:

 
 
 
 

74. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Fruits are not found in :

 
 
 
 

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

 
 
 
 

79. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Downy mildew disease is caused by :

 
 
 
 

84. Ovary is absent in :

 
 
 
 

85. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

87. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Quarantine regulations are concerned with:

 
 
 
 

93. Cryptogams include :

 
 
 
 

94. Green plants are classified as :

 
 
 
 

95. Red rot of sugarcane is caused by :

 
 
 
 

96. Chief constituents of bordeaux mixture are :

 
 
 
 

97. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

98. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

101. ‘Snakes of Plant Kingdom’ is :

 
 
 
 


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