Quiz_Plantae

1. Cryptogams include :

 
 
 
 

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

 
 
 
 

3. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

5. Most primitive embryophytes are placed in :

 
 
 
 

6. Ovary is absent in :

 
 
 
 

7. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

9. Leaf spot of groundnut is caused by :

 
 
 
 

10. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

12. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Rice, pea, potato are :

 
 
 
 

16. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

18. Chief constituents of bordeaux mixture are :

 
 
 
 

19. Black rust of wheat is caused by:

 
 
 
 

20. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

31. Oswald Tippo’s classification was based on :

 
 
 
 

32. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

37. Liverworts are included in :

 
 
 
 

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

 
 
 
 

39. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

41. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

43. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

48. Club moss is the common name of :

 
 
 
 

49. Fruits are not found in :

 
 
 
 

50. Roots are absent in :

 
 
 
 

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

 
 
 
 

52. Seeds are characteristically found in :

 
 
 
 

53. Vascular cryptogam is the term used for :

 
 
 
 

54. Which among the following is a shrub?

 
 
 
 

55. Club moss and Peat moss belong to:

 
 
 
 

56. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

58. Citrus canker is caused by :

 
 
 
 

59. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Aflatoxin is produced as a product in :

 
 
 
 

63. Which of the following is a monocot?

 
 
 
 

64. Ergot is obtained from :

 
 
 
 

65. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

74. Which one of the following is a monocot?

 
 
 
 

75. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

77. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Ovules are not found enclosed in ovary in :

 
 
 
 

82. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

84. Mixed cropping helps :

 
 
 
 

85. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

87. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

90. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

93. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

95. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

97. Green plants are classified as :

 
 
 
 

98. Embryophyta includes :

 
 
 
 

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

 
 
 
 

100. Oswald Tippo’s classification is:

 
 
 
 

101. Vascular tissue is found in :