Quiz_Plantae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

14. Pythium debaryanum is the causative agent of:

 
 
 
 

15. Green plants are classified as :

 
 
 
 

16. Red rot of sugarcane is caused by :

 
 
 
 

17. Ergot is obtained from :

 
 
 
 

18. Rice, pea, potato are :

 
 
 
 

19. Downy mildew disease is caused by :

 
 
 
 

20. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

22. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

24. Liverworts are included in :

 
 
 
 

25. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Roots are absent in :

 
 
 
 

29. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

35. Pteridophytes are also known as :

 
 
 
 

36. Red rot of sugarcane is caused by :

 
 
 
 

37. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

39. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

45. Aflatoxin is produced as a product in :

 
 
 
 

46. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

48. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Late blight of potato is caused by :

 
 
 
 

53. Oswald Tippo’s classification was based on :

 
 
 
 

54. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Club moss is the common name of :

 
 
 
 

63. Cryptogams include :

 
 
 
 

64. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

66. Small epidermal swellings due to infection are called :

 
 
 
 

67. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

69. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

71. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

73. Vascular tissue is found in :

 
 
 
 

74. Which of the following statements is not correct?

 
 
 
 

75. Bryophyta have been placed in cryptogams because:

 
 
 
 

76. Maximum diversity of life forms occurs in :

 
 
 
 

77. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

82. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Gymnosperms could also be called as:

 
 
 
 

86. Disease resistant plant varieties can be produced by :

 
 
 
 

87. Ovary is absent in :

 
 
 
 

88. Smut of maize is caused by :

 
 
 
 

89. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

91. Banana bunchy top is caused by :

 
 
 
 

92. Fruits are not found in :

 
 
 
 

93. Spermatophyta are characterized by producing:

 
 
 
 

94. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

98. Etiology includes the study of :

 
 
 
 

99. Oswald Tippo’s classification is:

 
 
 
 

100. Citrus canker is caused by :

 
 
 
 

101. Which of the following does not contain chlorophyll?