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1. Embryophyta includes :

 
 
 
 

2. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

9. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

11. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

13. Bryophyta have been placed in cryptogams because:

 
 
 
 

14. Etiology includes the study of :

 
 
 
 

15. Ergot is obtained from :

 
 
 
 

16. Black rust of wheat is caused by:

 
 
 
 

17. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Chief constituents of bordeaux mixture are :

 
 
 
 

21. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

23. Banana bunchy top is caused by :

 
 
 
 

24. Gymnosperms could also be called as:

 
 
 
 

25. Downy mildew disease is caused by :

 
 
 
 

26. Ovules are not found enclosed in ovary in :

 
 
 
 

27. Cryptogams include :

 
 
 
 

28. Which of the following does not contain chlorophyll?

 
 
 
 

29. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

31. Woody climbers are known as :

 
 
 
 

32. Which among the following is a shrub?

 
 
 
 

33. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

37. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

39. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

41. Embryo formation is not known in :

 
 
 
 

42. Maximum diversity of life forms occurs in :

 
 
 
 

43. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Red rot of sugarcane is caused by :

 
 
 
 

47. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

54. Disease resistant plant varieties can be produced by :

 
 
 
 

55. Rice, pea, potato are :

 
 
 
 

56. Multicellular and jacketed sex organs are found in :

 
 
 
 

57. Liverworts are included in :

 
 
 
 

58. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

60. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Oswald Tippo’s classification is:

 
 
 
 

65. Fruits are not found in :

 
 
 
 

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

 
 
 
 

67. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

81. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Vascular tissue is found in :

 
 
 
 

85. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

91. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

93. Vascular cryptogam is the term used for :

 
 
 
 

94. Seeds are characteristically found in :

 
 
 
 

95. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

101. Pythium debaryanum is the causative agent of:

 
 
 
 


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