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By Vijay Wardhan • December 8, 2024

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Oswald Tippo’s classification was based on :

 
 
 
 

5. Chief constituents of bordeaux mixture are :

 
 
 
 

6. Citrus canker is caused by :

 
 
 
 

7. Seeds are characteristically found in :

 
 
 
 

8. Oswald Tippo’s classification is:

 
 
 
 

9. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

11. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

13. Banana bunchy top is caused by :

 
 
 
 

14. Quarantine regulations are concerned with:

 
 
 
 

15. Fruits are not found in :

 
 
 
 

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

 
 
 
 

17. Which of the following does not contain chlorophyll?

 
 
 
 

18. Maximum diversity of life forms occurs in :

 
 
 
 

19. Disease resistant plant varieties can be produced by :

 
 
 
 

20. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

22. Spermatophyta are characterized by producing:

 
 
 
 

23. Downy mildew disease is caused by :

 
 
 
 

24. Which of the following are included in Tracheophyta?

 
 
 
 

25. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

27. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

29. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

31. Liverworts are included in :

 
 
 
 

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

 
 
 
 

33. Woody climbers are known as :

 
 
 
 

34. Red rot of sugarcane is caused by :

 
 
 
 

35. Green plants are classified as :

 
 
 
 

36. Which among the following is a shrub?

 
 
 
 

37. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

39. Roots are absent in :

 
 
 
 

40. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

45. Cryptogams include :

 
 
 
 

46. Club moss is the common name of :

 
 
 
 

47. Embryo formation is not known in :

 
 
 
 

48. Ergot is obtained from :

 
 
 
 

49. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Pythium debaryanum is the causative agent of:

 
 
 
 

53. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Gymnosperms could also be called as:

 
 
 
 

67. Embryophyta includes :

 
 
 
 

68. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

69. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Smut of maize is caused by :

 
 
 
 

76. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

78. Which of the following is a monocot?

 
 
 
 

79. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

81. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Etiology includes the study of :

 
 
 
 

87. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

93. Black rust of wheat is caused by:

 
 
 
 

94. Ovary is absent in :

 
 
 
 

95. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

101. The disease symptom necrosis refers to :

 
 
 
 


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