Quiz_Plantae

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

 
 
 
 

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

 
 
 
 

3. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

5. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

7. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

8. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

10. Pythium debaryanum is the causative agent of:

 
 
 
 

11. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Mixed cropping helps :

 
 
 
 

15. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

17. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

19. Roots are absent in :

 
 
 
 

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

 
 
 
 

21. Seeds are characteristically found in :

 
 
 
 

22. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

24. Bryophyta have been placed in cryptogams because:

 
 
 
 

25. Cryptogams include :

 
 
 
 

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

 
 
 
 

27. Gymnosperms could also be called as:

 
 
 
 

28. Downy mildew disease is caused by :

 
 
 
 

29. Ovary is absent in :

 
 
 
 

30. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Red rot of sugarcane is caused by :

 
 
 
 

41. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

43. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

45. Green plants are classified as :

 
 
 
 

46. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Which of the following does not contain chlorophyll?

 
 
 
 

50. Embryophyta includes :

 
 
 
 

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

 
 
 
 

52. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

61. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

62. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

64. Oswald Tippo’s classification is:

 
 
 
 

65. Citrus canker is caused by :

 
 
 
 

66. Vascular cryptogam is the term used for :

 
 
 
 

67. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Which among the following is a shrub?

 
 
 
 

79. Ergot is obtained from :

 
 
 
 

80. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

82. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Fruits are not found in :

 
 
 
 

86. Club moss and Peat moss belong to:

 
 
 
 

87. Disease resistant plant varieties can be produced by :

 
 
 
 

88. Pteridophytes are also known as :

 
 
 
 

89. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

91. Red rot of sugarcane is caused by :

 
 
 
 

92. The disease symptom necrosis refers to :

 
 
 
 

93. Liverworts are included in :

 
 
 
 

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

 
 
 
 

95. Etiology includes the study of :

 
 
 
 

96. Which of the following is a monocot?

 
 
 
 

97. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

99. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

101. Late blight of potato is caused by :