Quiz_Plantae

1. Disease resistant plant varieties can be produced by :

 
 
 
 

2. Embryophyta includes :

 
 
 
 

3. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

5. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Downy mildew disease is caused by :

 
 
 
 

14. Black rust of wheat is caused by:

 
 
 
 

15. Red rot of sugarcane is caused by :

 
 
 
 

16. Which of the following is a monocot?

 
 
 
 

17. Which of the following are included in Tracheophyta?

 
 
 
 

18. Green plants are classified as :

 
 
 
 

19. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Which of the following does not contain chlorophyll?

 
 
 
 

23. Aflatoxin is produced as a product in :

 
 
 
 

24. Mixed cropping helps :

 
 
 
 

25. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Club moss is the common name of :

 
 
 
 

35. Pteridophytes are also known as :

 
 
 
 

36. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

38. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

43. Club moss and Peat moss belong to:

 
 
 
 

44. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

49. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

51. Quarantine regulations are concerned with:

 
 
 
 

52. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Roots are absent in :

 
 
 
 

56. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

68. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

70. Banana bunchy top is caused by :

 
 
 
 

71. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Cryptogams include :

 
 
 
 

75. Etiology includes the study of :

 
 
 
 

76. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

78. Most primitive embryophytes are placed in :

 
 
 
 

79. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

81. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

83. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Smut of maize is caused by :

 
 
 
 

90. Maximum diversity of life forms occurs in :

 
 
 
 

91. Liverworts are included in :

 
 
 
 

92. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

94. Red rot of sugarcane is caused by :

 
 
 
 

95. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

97. Bryophyta have been placed in cryptogams because:

 
 
 
 

98. Oswald Tippo’s classification was based on :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

101. Helminthosporium oryzae was the cause of disaster :