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1. Fruits are not found in :

 
 
 
 

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

 
 
 
 

3. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

5. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

7. Which one of the following is a monocot?

 
 
 
 

8. Mixed cropping helps :

 
 
 
 

9. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Black rust of wheat is caused by:

 
 
 
 

13. Ovary is absent in :

 
 
 
 

14. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

16. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

18. Which of the following statements is not correct?

 
 
 
 

19. Quarantine regulations are concerned with:

 
 
 
 

20. Club moss is the common name of :

 
 
 
 

21. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

23. Roots are absent in :

 
 
 
 

24. Smut of maize is caused by :

 
 
 
 

25. Disease resistant plant varieties can be produced by :

 
 
 
 

26. Pteridophytes are also known as :

 
 
 
 

27. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

28. Cryptogams include :

 
 
 
 

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

 
 
 
 

30. Etiology includes the study of :

 
 
 
 

31. Spermatophyta are characterized by producing:

 
 
 
 

32. Bryophyta have been placed in cryptogams because:

 
 
 
 

33. Downy mildew disease is caused by :

 
 
 
 

34. Small epidermal swellings due to infection are called :

 
 
 
 

35. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The disease symptom necrosis refers to :

 
 
 
 

39. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Which of the following does not contain chlorophyll?

 
 
 
 

48. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

49. Gymnosperms could also be called as:

 
 
 
 

50. Rice, pea, potato are :

 
 
 
 

51. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Oswald Tippo’s classification is:

 
 
 
 

59. Liverworts are included in :

 
 
 
 

60. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

62. Green plants are classified as :

 
 
 
 

63. Which of the following are included in Tracheophyta?

 
 
 
 

64. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

66. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

68. Red rot of sugarcane is caused by :

 
 
 
 

69. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

71. Ergot is obtained from :

 
 
 
 

72. Most primitive embryophytes are placed in :

 
 
 
 

73. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

80. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

89. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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