Quiz_Plantae

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

 
 
 
 

2. Embryo formation is not known in :

 
 
 
 

3. Which of the following is a monocot?

 
 
 
 

4. Green plants are classified as :

 
 
 
 

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

 
 
 
 

6. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

8. Black rust of wheat is caused by:

 
 
 
 

9. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Leaf spot of groundnut is caused by :

 
 
 
 

13. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Red rot of sugarcane is caused by :

 
 
 
 

23. Oswald Tippo’s classification is:

 
 
 
 

24. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

32. Citrus canker is caused by :

 
 
 
 

33. Ovary is absent in :

 
 
 
 

34. Vascular cryptogam is the term used for :

 
 
 
 

35. Most primitive embryophytes are placed in :

 
 
 
 

36. Liverworts are included in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

40. Vascular tissue is found in :

 
 
 
 

41. Club moss is the common name of :

 
 
 
 

42. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Downy mildew disease is caused by :

 
 
 
 

47. Which one of the following is a monocot?

 
 
 
 

48. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

50. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Maximum diversity of life forms occurs in :

 
 
 
 

57. Multicellular and jacketed sex organs are found in :

 
 
 
 

58. Oswald Tippo’s classification was based on :

 
 
 
 

59. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

65. Embryophyta includes :

 
 
 
 

66. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

68. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

70. Spermatophyta are characterized by producing:

 
 
 
 

71. Pythium debaryanum is the causative agent of:

 
 
 
 

72. Bryophyta have been placed in cryptogams because:

 
 
 
 

73. Disease resistant plant varieties can be produced by :

 
 
 
 

74. Which of the following statements is not correct?

 
 
 
 

75. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Rice, pea, potato are :

 
 
 
 

84. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

86. Club moss and Peat moss belong to:

 
 
 
 

87. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

89. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

95. Ergot is obtained from :

 
 
 
 

96. Mixed cropping helps :

 
 
 
 

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

 
 
 
 

98. Smut of maize is caused by :

 
 
 
 

99. Quarantine regulations are concerned with:

 
 
 
 

100. Which among the following is a shrub?

 
 
 
 

101. Aflatoxin is produced as a product in :