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1. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

3. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Smut of maize is caused by :

 
 
 
 

7. Ovules are not found enclosed in ovary in :

 
 
 
 

8. Ergot is obtained from :

 
 
 
 

9. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

26. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

28. Maximum diversity of life forms occurs in :

 
 
 
 

29. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

31. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

33. Black rust of wheat is caused by:

 
 
 
 

34. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

36. Club moss is the common name of :

 
 
 
 

37. Vascular cryptogam is the term used for :

 
 
 
 

38. Most primitive embryophytes are placed in :

 
 
 
 

39. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

41. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

43. Club moss and Peat moss belong to:

 
 
 
 

44. Citrus canker is caused by :

 
 
 
 

45. Red rot of sugarcane is caused by :

 
 
 
 

46. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

48. Liverworts are included in :

 
 
 
 

49. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

51. Which of the following is a monocot?

 
 
 
 

52. Cryptogams include :

 
 
 
 

53. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Late blight of potato is caused by :

 
 
 
 

58. Gymnosperms could also be called as:

 
 
 
 

59. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

61. Fruits are not found in :

 
 
 
 

62. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Chief constituents of bordeaux mixture are :

 
 
 
 

66. Which of the following statements is not correct?

 
 
 
 

67. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Green plants are classified as :

 
 
 
 

80. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Which among the following is a shrub?

 
 
 
 

85. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

87. Aflatoxin is produced as a product in :

 
 
 
 

88. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Roots are absent in :

 
 
 
 

96. Oswald Tippo’s classification was based on :

 
 
 
 

97. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Bryophyta have been placed in cryptogams because:

 
 
 
 

101. Leaf spot of groundnut is caused by :

 
 
 
 


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