Quiz_Plantae

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

 
 
 
 

2. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Pythium debaryanum is the causative agent of:

 
 
 
 

9. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

17. Embryophyta includes :

 
 
 
 

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

 
 
 
 

19. Chief constituents of bordeaux mixture are :

 
 
 
 

20. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Maximum diversity of life forms occurs in :

 
 
 
 

24. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

26. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

28. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

30. Gymnosperms could also be called as:

 
 
 
 

31. Etiology includes the study of :

 
 
 
 

32. Which of the following does not contain chlorophyll?

 
 
 
 

33. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

34. Mixed cropping helps :

 
 
 
 

35. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

37. Which of the following is a monocot?

 
 
 
 

38. Leaf spot of groundnut is caused by :

 
 
 
 

39. Aflatoxin is produced as a product in :

 
 
 
 

40. The disease symptom necrosis refers to :

 
 
 
 

41. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Most primitive embryophytes are placed in :

 
 
 
 

45. Downy mildew disease is caused by :

 
 
 
 

46. Embryo formation is not known in :

 
 
 
 

47. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Rice, pea, potato are :

 
 
 
 

53. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Roots are absent in :

 
 
 
 

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

 
 
 
 

58. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which among the following is a shrub?

 
 
 
 

65. Vascular tissue is found in :

 
 
 
 

66. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

68. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

79. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

81. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Liverworts are included in :

 
 
 
 

85. Disease resistant plant varieties can be produced by :

 
 
 
 

86. Which of the following are included in Tracheophyta?

 
 
 
 

87. Bryophyta have been placed in cryptogams because:

 
 
 
 

88. Woody climbers are known as :

 
 
 
 

89. Fruits are not found in :

 
 
 
 

90. Which of the following statements is not correct?

 
 
 
 

91. Small epidermal swellings due to infection are called :

 
 
 
 

92. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

94. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

96. Cryptogams include :

 
 
 
 

97. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Green plants are classified as :

 
 
 
 

101. Which one of the following is a monocot?