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1. Embryophyta includes :

 
 
 
 

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

 
 
 
 

3. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Ovules are not found enclosed in ovary in :

 
 
 
 

7. Oswald Tippo’s classification is:

 
 
 
 

8. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

9. Green plants are classified as :

 
 
 
 

10. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

12. Chief constituents of bordeaux mixture are :

 
 
 
 

13. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

15. Which of the following statements is not correct?

 
 
 
 

16. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Most primitive embryophytes are placed in :

 
 
 
 

20. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

22. Bryophyta have been placed in cryptogams because:

 
 
 
 

23. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

25. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

27. Quarantine regulations are concerned with:

 
 
 
 

28. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

30. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Leaf spot of groundnut is caused by :

 
 
 
 

42. Which among the following is a shrub?

 
 
 
 

43. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

48. Vascular cryptogam is the term used for :

 
 
 
 

49. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

63. Fruits are not found in :

 
 
 
 

64. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

66. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Liverworts are included in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Red rot of sugarcane is caused by :

 
 
 
 

74. Cryptogams include :

 
 
 
 

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

 
 
 
 

76. Late blight of potato is caused by :

 
 
 
 

77. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

79. Ergot is obtained from :

 
 
 
 

80. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

82. Pythium debaryanum is the causative agent of:

 
 
 
 

83. Disease resistant plant varieties can be produced by :

 
 
 
 

84. Ovary is absent in :

 
 
 
 

85. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

91. Smut of maize is caused by :

 
 
 
 

92. The disease symptom necrosis refers to :

 
 
 
 

93. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

95. Roots are absent in :

 
 
 
 

96. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

98. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

100. Which one of the following is a monocot?

 
 
 
 

101. Gymnosperms could also be called as:

 
 
 
 


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