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

 
 
 
 

2. Woody climbers are known as :

 
 
 
 

3. Rice, pea, potato are :

 
 
 
 

4. Red rot of sugarcane is caused by :

 
 
 
 

5. Vascular cryptogam is the term used for :

 
 
 
 

6. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

8. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

13. Ovules are not found enclosed in ovary in :

 
 
 
 

14. Pythium debaryanum is the causative agent of:

 
 
 
 

15. Red rot of sugarcane is caused by :

 
 
 
 

16. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

18. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

20. Seeds are characteristically found in :

 
 
 
 

21. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

23. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. The disease symptom necrosis refers to :

 
 
 
 

27. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

29. Which one of the following is a monocot?

 
 
 
 

30. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

32. Liverworts are included in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Smut of maize is caused by :

 
 
 
 

36. Vascular tissue is found in :

 
 
 
 

37. Ergot is obtained from :

 
 
 
 

38. Spermatophyta are characterized by producing:

 
 
 
 

39. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Multicellular and jacketed sex organs are found in :

 
 
 
 

48. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

50. Small epidermal swellings due to infection are called :

 
 
 
 

51. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

53. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

54. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

74. Chief constituents of bordeaux mixture are :

 
 
 
 

75. Citrus canker is caused by :

 
 
 
 

76. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Downy mildew disease is caused by :

 
 
 
 

80. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

82. Green plants are classified as :

 
 
 
 

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

 
 
 
 

84. Oswald Tippo’s classification is:

 
 
 
 

85. Quarantine regulations are concerned with:

 
 
 
 

86. Cryptogams include :

 
 
 
 

87. Embryo formation is not known in :

 
 
 
 

88. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

91. Banana bunchy top is caused by :

 
 
 
 

92. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Embryophyta includes :

 
 
 
 

96. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

98. Ovary is absent in :

 
 
 
 

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

 
 
 
 

100. Late blight of potato is caused by :

 
 
 
 

101. Roots are absent in :

 
 
 
 


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