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1. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Quarantine regulations are concerned with:

 
 
 
 

8. Mixed cropping helps :

 
 
 
 

9. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

11. Spermatophyta are characterized by producing:

 
 
 
 

12. Which of the following are included in Tracheophyta?

 
 
 
 

13. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

15. Pteridophytes are also known as :

 
 
 
 

16. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

18. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

20. Ergot is obtained from :

 
 
 
 

21. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

23. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Bryophyta have been placed in cryptogams because:

 
 
 
 

28. Small epidermal swellings due to infection are called :

 
 
 
 

29. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

31. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

36. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

38. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

40. Downy mildew disease is caused by :

 
 
 
 

41. Club moss and Peat moss belong to:

 
 
 
 

42. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

43. Vascular cryptogam is the term used for :

 
 
 
 

44. The disease symptom necrosis refers to :

 
 
 
 

45. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

47. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

53. Smut of maize is caused by :

 
 
 
 

54. Leaf spot of groundnut is caused by :

 
 
 
 

55. Cryptogams include :

 
 
 
 

56. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

61. Ovules are not found enclosed in ovary in :

 
 
 
 

62. Ovary is absent in :

 
 
 
 

63. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Most primitive embryophytes are placed in :

 
 
 
 

72. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Chief constituents of bordeaux mixture are :

 
 
 
 

83. Oswald Tippo’s classification was based on :

 
 
 
 

84. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

88. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Red rot of sugarcane is caused by :

 
 
 
 

93. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

95. Which of the following is a monocot?

 
 
 
 

96. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

97. Pythium debaryanum is the causative agent of:

 
 
 
 

98. Rice, pea, potato are :

 
 
 
 

99. Liverworts are included in :

 
 
 
 

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

 
 
 
 

101. Etiology includes the study of :

 
 
 
 


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