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

 
 
 
 

2. Ovules are not found enclosed in ovary in :

 
 
 
 

3. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which among the following is a shrub?

 
 
 
 

7. Most primitive embryophytes are placed in :

 
 
 
 

8. Cryptogams include :

 
 
 
 

9. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Bryophyta have been placed in cryptogams because:

 
 
 
 

13. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

15. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

17. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Red rot of sugarcane is caused by :

 
 
 
 

21. Green plants are classified as :

 
 
 
 

22. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Oswald Tippo’s classification was based on :

 
 
 
 

26. Maximum diversity of life forms occurs in :

 
 
 
 

27. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Late blight of potato is caused by :

 
 
 
 

31. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

39. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Citrus canker is caused by :

 
 
 
 

44. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Liverworts are included in :

 
 
 
 

48. Etiology includes the study of :

 
 
 
 

49. Which of the following are included in Tracheophyta?

 
 
 
 

50. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

52. Quarantine regulations are concerned with:

 
 
 
 

53. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

54. Spermatophyta are characterized by producing:

 
 
 
 

55. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Rice, pea, potato are :

 
 
 
 

62. Woody climbers are known as :

 
 
 
 

63. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Chief constituents of bordeaux mixture are :

 
 
 
 

67. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

69. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Red rot of sugarcane is caused by :

 
 
 
 

75. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Mixed cropping helps :

 
 
 
 

79. Club moss and Peat moss belong to:

 
 
 
 

80. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

82. Multicellular and jacketed sex organs are found in :

 
 
 
 

83. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Pteridophytes are also known as :

 
 
 
 

90. Smut of maize is caused by :

 
 
 
 

91. Aflatoxin is produced as a product in :

 
 
 
 

92. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

97. Ovary is absent in :

 
 
 
 

98. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

100. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 


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