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1. Which one of the following is a monocot?

 
 
 
 

2. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

4. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

6. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Vascular cryptogam is the term used for :

 
 
 
 

12. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

14. Pteridophytes are also known as :

 
 
 
 

15. Which of the following is a monocot?

 
 
 
 

16. Vascular tissue is found in :

 
 
 
 

17. Chief constituents of bordeaux mixture are :

 
 
 
 

18. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Which among the following is a shrub?

 
 
 
 

22. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

24. Bryophyta have been placed in cryptogams because:

 
 
 
 

25. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which of the following are included in Tracheophyta?

 
 
 
 

31. Ergot is obtained from :

 
 
 
 

32. Red rot of sugarcane is caused by :

 
 
 
 

33. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

35. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

39. Liverworts are included in :

 
 
 
 

40. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Etiology includes the study of :

 
 
 
 

45. Oswald Tippo’s classification was based on :

 
 
 
 

46. Banana bunchy top is caused by :

 
 
 
 

47. Woody climbers are known as :

 
 
 
 

48. Late blight of potato is caused by :

 
 
 
 

49. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Most primitive embryophytes are placed in :

 
 
 
 

54. Multicellular and jacketed sex organs are found in :

 
 
 
 

55. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Embryophyta includes :

 
 
 
 

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

 
 
 
 

60. Downy mildew disease is caused by :

 
 
 
 

61. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

63. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Gymnosperms could also be called as:

 
 
 
 

68. Mixed cropping helps :

 
 
 
 

69. Fruits are not found in :

 
 
 
 

70. Maximum diversity of life forms occurs in :

 
 
 
 

71. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

73. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

75. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Red rot of sugarcane is caused by :

 
 
 
 

79. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. Green plants are classified as :

 
 
 
 

88. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Leaf spot of groundnut is caused by :

 
 
 
 

96. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

101. Spermatophyta are characterized by producing:

 
 
 
 


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