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1. Which among the following is a shrub?

 
 
 
 

2. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

4. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

6. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

8. Gymnosperms could also be called as:

 
 
 
 

9. Green plants are classified as :

 
 
 
 

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

 
 
 
 

11. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

13. Pythium debaryanum is the causative agent of:

 
 
 
 

14. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Ovary is absent in :

 
 
 
 

18. Roots are absent in :

 
 
 
 

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

 
 
 
 

20. Club moss is the common name of :

 
 
 
 

21. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

23. Multicellular and jacketed sex organs are found in :

 
 
 
 

24. Embryophyta includes :

 
 
 
 

25. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

27. Embryo formation is not known in :

 
 
 
 

28. Bryophyta have been placed in cryptogams because:

 
 
 
 

29. The disease symptom necrosis refers to :

 
 
 
 

30. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

32. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

37. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

46. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Chief constituents of bordeaux mixture are :

 
 
 
 

50. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Mixed cropping helps :

 
 
 
 

61. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

63. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

65. Late blight of potato is caused by :

 
 
 
 

66. Vascular cryptogam is the term used for :

 
 
 
 

67. Pteridophytes are also known as :

 
 
 
 

68. Aflatoxin is produced as a product in :

 
 
 
 

69. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Fruits are not found in :

 
 
 
 

74. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

75. Red rot of sugarcane is caused by :

 
 
 
 

76. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

78. Cryptogams include :

 
 
 
 

79. Citrus canker is caused by :

 
 
 
 

80. Club moss and Peat moss belong to:

 
 
 
 

81. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Seeds are characteristically found in :

 
 
 
 

90. Liverworts are included in :

 
 
 
 

91. Which of the following does not contain chlorophyll?

 
 
 
 

92. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

96. Downy mildew disease is caused by :

 
 
 
 

97. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Smut of maize is caused by :

 
 
 
 

101. Most primitive embryophytes are placed in :

 
 
 
 


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