Quiz_Plantae

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

 
 
 
 

2. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Mixed cropping helps :

 
 
 
 

6. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

8. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

17. Leaf spot of groundnut is caused by :

 
 
 
 

18. Red rot of sugarcane is caused by :

 
 
 
 

19. Fruits are not found in :

 
 
 
 

20. Which of the following statements is not correct?

 
 
 
 

21. Pteridophytes are also known as :

 
 
 
 

22. Aflatoxin is produced as a product in :

 
 
 
 

23. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Banana bunchy top is caused by :

 
 
 
 

28. Black rust of wheat is caused by:

 
 
 
 

29. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Roots are absent in :

 
 
 
 

38. Oswald Tippo’s classification is:

 
 
 
 

39. Woody climbers are known as :

 
 
 
 

40. Embryophyta includes :

 
 
 
 

41. Which one of the following is a monocot?

 
 
 
 

42. Vascular cryptogam is the term used for :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Pythium debaryanum is the causative agent of:

 
 
 
 

47. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

49. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

51. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

53. Which of the following does not contain chlorophyll?

 
 
 
 

54. Which among the following is a shrub?

 
 
 
 

55. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

56. Rice, pea, potato are :

 
 
 
 

57. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

63. Ergot is obtained from :

 
 
 
 

64. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

66. Maximum diversity of life forms occurs in :

 
 
 
 

67. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

69. Green plants are classified as :

 
 
 
 

70. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

72. Small epidermal swellings due to infection are called :

 
 
 
 

73. Quarantine regulations are concerned with:

 
 
 
 

74. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Club moss and Peat moss belong to:

 
 
 
 

80. Vascular tissue is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Oswald Tippo’s classification was based on :

 
 
 
 

84. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

87. Liverworts are included in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

90. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

94. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

96. The disease symptom necrosis refers to :

 
 
 
 

97. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

99. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

101. Disease resistant plant varieties can be produced by :