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

 
 
 
 

2. Most primitive embryophytes are placed in :

 
 
 
 

3. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Ergot is obtained from :

 
 
 
 

8. Which of the following does not contain chlorophyll?

 
 
 
 

9. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

11. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

13. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

15. Which of the following are included in Tracheophyta?

 
 
 
 

16. Rice, pea, potato are :

 
 
 
 

17. Ovules are not found enclosed in ovary in :

 
 
 
 

18. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Liverworts are included in :

 
 
 
 

22. Disease resistant plant varieties can be produced by :

 
 
 
 

23. Which of the following statements is not correct?

 
 
 
 

24. Bryophyta have been placed in cryptogams because:

 
 
 
 

25. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Maximum diversity of life forms occurs in :

 
 
 
 

29. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

31. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

33. Aflatoxin is produced as a product in :

 
 
 
 

34. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Woody climbers are known as :

 
 
 
 

38. Spermatophyta are characterized by producing:

 
 
 
 

39. Oswald Tippo’s classification is:

 
 
 
 

40. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Roots are absent in :

 
 
 
 

46. Vascular cryptogam is the term used for :

 
 
 
 

47. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Leaf spot of groundnut is caused by :

 
 
 
 

56. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Small epidermal swellings due to infection are called :

 
 
 
 

63. Fruits are not found in :

 
 
 
 

64. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

66. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

67. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Ovary is absent in :

 
 
 
 

72. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Red rot of sugarcane is caused by :

 
 
 
 

76. Red rot of sugarcane is caused by :

 
 
 
 

77. Embryophyta includes :

 
 
 
 

78. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Quarantine regulations are concerned with:

 
 
 
 

84. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. Oswald Tippo’s classification was based on :

 
 
 
 

88. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

93. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

95. Citrus canker is caused by :

 
 
 
 

96. Pteridophytes are also known as :

 
 
 
 

97. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Multicellular and jacketed sex organs are found in :

 
 
 
 

101. Embryo formation is not known in :

 
 
 
 


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