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1. Embryophyta includes :

 
 
 
 

2. Spermatophyta are characterized by producing:

 
 
 
 

3. Green plants are classified as :

 
 
 
 

4. Oswald Tippo’s classification is:

 
 
 
 

5. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

12. Maximum diversity of life forms occurs in :

 
 
 
 

13. Vascular cryptogam is the term used for :

 
 
 
 

14. Aflatoxin is produced as a product in :

 
 
 
 

15. Which of the following are included in Tracheophyta?

 
 
 
 

16. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

21. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

23. Pythium debaryanum is the causative agent of:

 
 
 
 

24. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

26. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

28. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

41. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Red rot of sugarcane is caused by :

 
 
 
 

45. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

53. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

55. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Club moss is the common name of :

 
 
 
 

59. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

64. Roots are absent in :

 
 
 
 

65. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

70. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Ovules are not found enclosed in ovary in :

 
 
 
 

78. Ergot is obtained from :

 
 
 
 

79. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

81. Quarantine regulations are concerned with:

 
 
 
 

82. Oswald Tippo’s classification was based on :

 
 
 
 

83. Fruits are not found in :

 
 
 
 

84. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

85. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

88. Downy mildew disease is caused by :

 
 
 
 

89. Bryophyta have been placed in cryptogams because:

 
 
 
 

90. Woody climbers are known as :

 
 
 
 

91. Liverworts are included in :

 
 
 
 

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

 
 
 
 

93. Seeds are characteristically found in :

 
 
 
 

94. Small epidermal swellings due to infection are called :

 
 
 
 

95. Ovary is absent in :

 
 
 
 

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

 
 
 
 

97. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

99. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

101. Etiology includes the study of :

 
 
 
 


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