Quiz_Plantae

1. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

6. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

8. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Ovary is absent in :

 
 
 
 

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

 
 
 
 

13. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

21. Cryptogams include :

 
 
 
 

22. Oswald Tippo’s classification was based on :

 
 
 
 

23. Which among the following is a shrub?

 
 
 
 

24. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

26. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Liverworts are included in :

 
 
 
 

30. The disease symptom necrosis refers to :

 
 
 
 

31. Fruits are not found in :

 
 
 
 

32. Rice, pea, potato are :

 
 
 
 

33. Roots are absent in :

 
 
 
 

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

 
 
 
 

35. Banana bunchy top is caused by :

 
 
 
 

36. Late blight of potato is caused by :

 
 
 
 

37. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

39. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Woody climbers are known as :

 
 
 
 

49. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

54. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

55. Green plants are classified as :

 
 
 
 

56. Aflatoxin is produced as a product in :

 
 
 
 

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

 
 
 
 

58. Pteridophytes are also known as :

 
 
 
 

59. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

61. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

63. Vascular cryptogam is the term used for :

 
 
 
 

64. Ovules are not found enclosed in ovary in :

 
 
 
 

65. Downy mildew disease is caused by :

 
 
 
 

66. Spermatophyta are characterized by producing:

 
 
 
 

67. Citrus canker is caused by :

 
 
 
 

68. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

70. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Mixed cropping helps :

 
 
 
 

75. Small epidermal swellings due to infection are called :

 
 
 
 

76. Smut of maize is caused by :

 
 
 
 

77. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

78. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Multicellular and jacketed sex organs are found in :

 
 
 
 

84. Which of the following is a monocot?

 
 
 
 

85. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

87. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

96. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

99. Black rust of wheat is caused by:

 
 
 
 

100. Chief constituents of bordeaux mixture are :

 
 
 
 

101. Which of the following are included in Tracheophyta?