Quiz_Plantae

1. Spermatophyta are characterized by producing:

 
 
 
 

2. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

4. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Citrus canker is caused by :

 
 
 
 

8. Ovary is absent in :

 
 
 
 

9. Etiology includes the study of :

 
 
 
 

10. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

12. Pteridophytes are also known as :

 
 
 
 

13. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

15. Fruits are not found in :

 
 
 
 

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

 
 
 
 

17. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

19. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Small epidermal swellings due to infection are called :

 
 
 
 

26. Downy mildew disease is caused by :

 
 
 
 

27. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

29. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Mixed cropping helps :

 
 
 
 

33. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

38. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

39. Banana bunchy top is caused by :

 
 
 
 

40. Smut of maize is caused by :

 
 
 
 

41. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Red rot of sugarcane is caused by :

 
 
 
 

45. Which one of the following is a monocot?

 
 
 
 

46. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Ergot is obtained from :

 
 
 
 

58. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

60. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

62. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Chief constituents of bordeaux mixture are :

 
 
 
 

66. Rice, pea, potato are :

 
 
 
 

67. Embryophyta includes :

 
 
 
 

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

 
 
 
 

69. Embryo formation is not known in :

 
 
 
 

70. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Black rust of wheat is caused by:

 
 
 
 

74. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

76. Vascular cryptogam is the term used for :

 
 
 
 

77. Green plants are classified as :

 
 
 
 

78. Oswald Tippo’s classification is:

 
 
 
 

79. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Liverworts are included in :

 
 
 
 

90. Roots are absent in :

 
 
 
 

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

 
 
 
 

92. Oswald Tippo’s classification was based on :

 
 
 
 

93. Red rot of sugarcane is caused by :

 
 
 
 

94. Maximum diversity of life forms occurs in :

 
 
 
 

95. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

100. Club moss and Peat moss belong to:

 
 
 
 

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