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1. Cryptogams include :

 
 
 
 

2. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Which among the following is a shrub?

 
 
 
 

8. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

13. Multicellular and jacketed sex organs are found in :

 
 
 
 

14. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

16. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

21. Club moss and Peat moss belong to:

 
 
 
 

22. Aflatoxin is produced as a product in :

 
 
 
 

23. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

25. Oswald Tippo’s classification was based on :

 
 
 
 

26. Red rot of sugarcane is caused by :

 
 
 
 

27. Pythium debaryanum is the causative agent of:

 
 
 
 

28. The disease symptom necrosis refers to :

 
 
 
 

29. Fruits are not found in :

 
 
 
 

30. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

35. Ovules are not found enclosed in ovary in :

 
 
 
 

36. Etiology includes the study of :

 
 
 
 

37. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Embryophyta includes :

 
 
 
 

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

 
 
 
 

43. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

44. Gymnosperms could also be called as:

 
 
 
 

45. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

47. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

49. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

51. Mixed cropping helps :

 
 
 
 

52. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

57. Leaf spot of groundnut is caused by :

 
 
 
 

58. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

60. Green plants are classified as :

 
 
 
 

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

 
 
 
 

62. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

64. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

66. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Embryo formation is not known in :

 
 
 
 

70. Liverworts are included in :

 
 
 
 

71. Oswald Tippo’s classification is:

 
 
 
 

72. Most primitive embryophytes are placed in :

 
 
 
 

73. Which of the following is a monocot?

 
 
 
 

74. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

76. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Small epidermal swellings due to infection are called :

 
 
 
 

82. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

95. Ovary is absent in :

 
 
 
 

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

 
 
 
 

97. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

99. Roots are absent in :

 
 
 
 

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

 
 
 
 

101. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 


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