Quiz_Plantae

1. Spermatophyta are characterized by producing:

 
 
 
 

2. Vascular cryptogam is the term used for :

 
 
 
 

3. Small epidermal swellings due to infection are called :

 
 
 
 

4. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

6. Liverworts are included in :

 
 
 
 

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

 
 
 
 

8. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

10. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

12. Club moss and Peat moss belong to:

 
 
 
 

13. Etiology includes the study of :

 
 
 
 

14. Red rot of sugarcane is caused by :

 
 
 
 

15. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

17. Downy mildew disease is caused by :

 
 
 
 

18. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

23. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

25. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Black rust of wheat is caused by:

 
 
 
 

37. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

39. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

41. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Fruits are not found in :

 
 
 
 

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

 
 
 
 

48. Seeds are characteristically found in :

 
 
 
 

49. Maximum diversity of life forms occurs in :

 
 
 
 

50. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

52. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

54. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

56. Green plants are classified as :

 
 
 
 

57. Leaf spot of groundnut is caused by :

 
 
 
 

58. Late blight of potato is caused by :

 
 
 
 

59. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

61. Oswald Tippo’s classification was based on :

 
 
 
 

62. Red rot of sugarcane is caused by :

 
 
 
 

63. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

68. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

70. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

71. Smut of maize is caused by :

 
 
 
 

72. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Which among the following is a shrub?

 
 
 
 

77. Gymnosperms could also be called as:

 
 
 
 

78. Pythium debaryanum is the causative agent of:

 
 
 
 

79. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Roots are absent in :

 
 
 
 

83. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

85. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

88. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

91. Pteridophytes are also known as :

 
 
 
 

92. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

94. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Cryptogams include :

 
 
 
 

99. Club moss is the common name of :

 
 
 
 

100. Vascular tissue is found in :

 
 
 
 

101. Multicellular and jacketed sex organs are found in :