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1. Spermatophyta are characterized by producing:

 
 
 
 

2. Cryptogams include :

 
 
 
 

3. Embryo formation is not known in :

 
 
 
 

4. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

6. Which of the following does not contain chlorophyll?

 
 
 
 

7. Disease resistant plant varieties can be produced by :

 
 
 
 

8. Small epidermal swellings due to infection are called :

 
 
 
 

9. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

11. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Fruits are not found in :

 
 
 
 

16. Mixed cropping helps :

 
 
 
 

17. Black rust of wheat is caused by:

 
 
 
 

18. Ovary is absent in :

 
 
 
 

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

 
 
 
 

20. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

22. Green plants are classified as :

 
 
 
 

23. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Pteridophytes are also known as :

 
 
 
 

28. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

30. Quarantine regulations are concerned with:

 
 
 
 

31. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

35. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Rice, pea, potato are :

 
 
 
 

39. Oswald Tippo’s classification was based on :

 
 
 
 

40. Aflatoxin is produced as a product in :

 
 
 
 

41. Banana bunchy top is caused by :

 
 
 
 

42. Gymnosperms could also be called as:

 
 
 
 

43. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

45. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

46. Seeds are characteristically found in :

 
 
 
 

47. Ovules are not found enclosed in ovary in :

 
 
 
 

48. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

50. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Roots are absent in :

 
 
 
 

57. Pythium debaryanum is the causative agent of:

 
 
 
 

58. Which among the following is a shrub?

 
 
 
 

59. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

70. Bryophyta have been placed in cryptogams because:

 
 
 
 

71. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

73. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Oswald Tippo’s classification is:

 
 
 
 

77. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

79. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

81. Vascular tissue is found in :

 
 
 
 

82. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Citrus canker is caused by :

 
 
 
 

93. Liverworts are included in :

 
 
 
 

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

 
 
 
 

95. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

101. Maximum diversity of life forms occurs in :

 
 
 
 


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