Quiz_Plantae

1. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

3. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

5. The disease symptom necrosis refers to :

 
 
 
 

6. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Embryo formation is not known in :

 
 
 
 

10. Liverworts are included in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Banana bunchy top is caused by :

 
 
 
 

14. Which among the following is a shrub?

 
 
 
 

15. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

17. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

19. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

21. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Fruits are not found in :

 
 
 
 

30. Mixed cropping helps :

 
 
 
 

31. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

33. Which of the following does not contain chlorophyll?

 
 
 
 

34. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

36. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

38. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

40. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

42. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

43. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Ergot is obtained from :

 
 
 
 

51. Embryophyta includes :

 
 
 
 

52. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Green plants are classified as :

 
 
 
 

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

 
 
 
 

57. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

58. Most primitive embryophytes are placed in :

 
 
 
 

59. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Leaf spot of groundnut is caused by :

 
 
 
 

67. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Black rust of wheat is caused by:

 
 
 
 

71. Seeds are characteristically found in :

 
 
 
 

72. Which of the following statements is not correct?

 
 
 
 

73. Downy mildew disease is caused by :

 
 
 
 

74. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

75. Roots are absent in :

 
 
 
 

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

 
 
 
 

77. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

79. Oswald Tippo’s classification is:

 
 
 
 

80. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Club moss and Peat moss belong to:

 
 
 
 

84. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

86. Bryophyta have been placed in cryptogams because:

 
 
 
 

87. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

89. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

92. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

96. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

98. Woody climbers are known as :

 
 
 
 

99. Ovary is absent in :

 
 
 
 

100. Etiology includes the study of :

 
 
 
 

101. Club moss is the common name of :