Quiz_Plantae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Which of the following is a monocot?

 
 
 
 

6. Leaf spot of groundnut is caused by :

 
 
 
 

7. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Gymnosperms could also be called as:

 
 
 
 

12. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

20. Green plants are classified as :

 
 
 
 

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

 
 
 
 

22. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Oswald Tippo’s classification was based on :

 
 
 
 

27. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

34. Most primitive embryophytes are placed in :

 
 
 
 

35. Club moss and Peat moss belong to:

 
 
 
 

36. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

38. Which one of the following is a monocot?

 
 
 
 

39. Which of the following statements is not correct?

 
 
 
 

40. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

42. Cryptogams include :

 
 
 
 

43. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Red rot of sugarcane is caused by :

 
 
 
 

49. Late blight of potato is caused by :

 
 
 
 

50. Spermatophyta are characterized by producing:

 
 
 
 

51. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

53. Vascular cryptogam is the term used for :

 
 
 
 

54. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Oswald Tippo’s classification is:

 
 
 
 

59. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

61. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Chief constituents of bordeaux mixture are :

 
 
 
 

69. Quarantine regulations are concerned with:

 
 
 
 

70. Woody climbers are known as :

 
 
 
 

71. Club moss is the common name of :

 
 
 
 

72. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

73. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

75. Liverworts are included in :

 
 
 
 

76. Small epidermal swellings due to infection are called :

 
 
 
 

77. The disease symptom necrosis refers to :

 
 
 
 

78. Fruits are not found in :

 
 
 
 

79. Ergot is obtained from :

 
 
 
 

80. Banana bunchy top is caused by :

 
 
 
 

81. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Etiology includes the study of :

 
 
 
 

85. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

88. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

90. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

91. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Mixed cropping helps :

 
 
 
 

95. Red rot of sugarcane is caused by :

 
 
 
 

96. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Smut of maize is caused by :

 
 
 
 

100. Pythium debaryanum is the causative agent of:

 
 
 
 

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