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1. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

3. Red rot of sugarcane is caused by :

 
 
 
 

4. Mixed cropping helps :

 
 
 
 

5. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

7. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

8. Ovary is absent in :

 
 
 
 

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

 
 
 
 

10. Smut of maize is caused by :

 
 
 
 

11. Embryophyta includes :

 
 
 
 

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

 
 
 
 

13. Which among the following is a shrub?

 
 
 
 

14. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Chief constituents of bordeaux mixture are :

 
 
 
 

20. Which of the following is a monocot?

 
 
 
 

21. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

23. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

25. Pteridophytes are also known as :

 
 
 
 

26. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Which of the following statements is not correct?

 
 
 
 

30. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

32. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

34. Which of the following does not contain chlorophyll?

 
 
 
 

35. Small epidermal swellings due to infection are called :

 
 
 
 

36. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

41. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

43. Pythium debaryanum is the causative agent of:

 
 
 
 

44. Liverworts are included in :

 
 
 
 

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

 
 
 
 

46. Downy mildew disease is caused by :

 
 
 
 

47. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

49. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Leaf spot of groundnut is caused by :

 
 
 
 

55. Quarantine regulations are concerned with:

 
 
 
 

56. Vascular cryptogam is the term used for :

 
 
 
 

57. Multicellular and jacketed sex organs are found in :

 
 
 
 

58. Banana bunchy top is caused by :

 
 
 
 

59. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

64. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

66. Late blight of potato is caused by :

 
 
 
 

67. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

69. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Woody climbers are known as :

 
 
 
 

73. Seeds are characteristically found in :

 
 
 
 

74. Aflatoxin is produced as a product in :

 
 
 
 

75. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Etiology includes the study of :

 
 
 
 

80. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Roots are absent in :

 
 
 
 

84. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Club moss is the common name of :

 
 
 
 

99. Rice, pea, potato are :

 
 
 
 

100. Black rust of wheat is caused by:

 
 
 
 

101. Fruits are not found in :

 
 
 
 


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