by

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

 
 
 
 

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

 
 
 
 

3. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Black rust of wheat is caused by:

 
 
 
 

7. Oswald Tippo’s classification is:

 
 
 
 

8. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Green plants are classified as :

 
 
 
 

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

 
 
 
 

18. Gymnosperms could also be called as:

 
 
 
 

19. Which of the following statements is not correct?

 
 
 
 

20. Most primitive embryophytes are placed in :

 
 
 
 

21. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Red rot of sugarcane is caused by :

 
 
 
 

29. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

31. Ovules are not found enclosed in ovary in :

 
 
 
 

32. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Smut of maize is caused by :

 
 
 
 

36. Late blight of potato is caused by :

 
 
 
 

37. Quarantine regulations are concerned with:

 
 
 
 

38. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

40. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

42. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

44. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Vascular tissue is found in :

 
 
 
 

51. Spermatophyta are characterized by producing:

 
 
 
 

52. Pythium debaryanum is the causative agent of:

 
 
 
 

53. Seeds are characteristically found in :

 
 
 
 

54. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Chief constituents of bordeaux mixture are :

 
 
 
 

58. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Roots are absent in :

 
 
 
 

65. Disease resistant plant varieties can be produced by :

 
 
 
 

66. Multicellular and jacketed sex organs are found in :

 
 
 
 

67. Leaf spot of groundnut is caused by :

 
 
 
 

68. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

70. Banana bunchy top is caused by :

 
 
 
 

71. Pteridophytes are also known as :

 
 
 
 

72. Liverworts are included in :

 
 
 
 

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

 
 
 
 

74. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Maximum diversity of life forms occurs in :

 
 
 
 

78. Small epidermal swellings due to infection are called :

 
 
 
 

79. Red rot of sugarcane is caused by :

 
 
 
 

80. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

82. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Which of the following is a monocot?

 
 
 
 

86. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

88. Aflatoxin is produced as a product in :

 
 
 
 

89. Club moss is the common name of :

 
 
 
 

90. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

96. Which among the following is a shrub?

 
 
 
 

97. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

98. Cryptogams include :

 
 
 
 

99. Rice, pea, potato are :

 
 
 
 

100. Embryophyta includes :

 
 
 
 

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

 
 
 
 


Leave a Comment