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1. Spermatophyta are characterized by producing:

 
 
 
 

2. Which of the following are included in Tracheophyta?

 
 
 
 

3. Most primitive embryophytes are placed in :

 
 
 
 

4. Mixed cropping helps :

 
 
 
 

5. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

10. Cryptogams include :

 
 
 
 

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

 
 
 
 

12. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

14. Etiology includes the study of :

 
 
 
 

15. Green plants are classified as :

 
 
 
 

16. Seeds are characteristically found in :

 
 
 
 

17. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

25. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

30. Embryophyta includes :

 
 
 
 

31. Roots are absent in :

 
 
 
 

32. The disease symptom necrosis refers to :

 
 
 
 

33. Woody climbers are known as :

 
 
 
 

34. Club moss and Peat moss belong to:

 
 
 
 

35. Pteridophytes are also known as :

 
 
 
 

36. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

38. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Ovules are not found enclosed in ovary in :

 
 
 
 

46. Red rot of sugarcane is caused by :

 
 
 
 

47. Quarantine regulations are concerned with:

 
 
 
 

48. Liverworts are included in :

 
 
 
 

49. Small epidermal swellings due to infection are called :

 
 
 
 

50. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Vascular cryptogam is the term used for :

 
 
 
 

54. Gymnosperms could also be called as:

 
 
 
 

55. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

57. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

59. Which of the following does not contain chlorophyll?

 
 
 
 

60. Aflatoxin is produced as a product in :

 
 
 
 

61. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Smut of maize is caused by :

 
 
 
 

65. Chief constituents of bordeaux mixture are :

 
 
 
 

66. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

68. Which of the following statements is not correct?

 
 
 
 

69. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Ovary is absent in :

 
 
 
 

74. Late blight of potato is caused by :

 
 
 
 

75. Fruits are not found in :

 
 
 
 

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

 
 
 
 

77. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Which one of the following is a monocot?

 
 
 
 

93. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

96. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 


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