Quiz_Plantae

1. Ovules are not found enclosed in ovary in :

 
 
 
 

2. Roots are absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Bryophyta have been placed in cryptogams because:

 
 
 
 

7. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Gymnosperms could also be called as:

 
 
 
 

15. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

16. Which of the following is a monocot?

 
 
 
 

17. Black rust of wheat is caused by:

 
 
 
 

18. Late blight of potato is caused by :

 
 
 
 

19. Vascular tissue is found in :

 
 
 
 

20. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

22. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Club moss and Peat moss belong to:

 
 
 
 

26. Red rot of sugarcane is caused by :

 
 
 
 

27. Club moss is the common name of :

 
 
 
 

28. Which of the following are included in Tracheophyta?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Oswald Tippo’s classification was based on :

 
 
 
 

32. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Which of the following statements is not correct?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Spermatophyta are characterized by producing:

 
 
 
 

40. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

42. Vascular cryptogam is the term used for :

 
 
 
 

43. Smut of maize is caused by :

 
 
 
 

44. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

45. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Fruits are not found in :

 
 
 
 

49. Maximum diversity of life forms occurs in :

 
 
 
 

50. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Liverworts are included in :

 
 
 
 

54. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Rice, pea, potato are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

63. Banana bunchy top is caused by :

 
 
 
 

64. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Downy mildew disease is caused by :

 
 
 
 

68. Ovary is absent in :

 
 
 
 

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

 
 
 
 

70. Which among the following is a shrub?

 
 
 
 

71. Aflatoxin is produced as a product in :

 
 
 
 

72. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

74. Disease resistant plant varieties can be produced by :

 
 
 
 

75. Mixed cropping helps :

 
 
 
 

76. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

78. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Chief constituents of bordeaux mixture are :

 
 
 
 

86. Small epidermal swellings due to infection are called :

 
 
 
 

87. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

90. Red rot of sugarcane is caused by :

 
 
 
 

91. Embryophyta includes :

 
 
 
 

92. Etiology includes the study of :

 
 
 
 

93. Multicellular and jacketed sex organs are found in :

 
 
 
 

94. Cryptogams include :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Citrus canker is caused by :

 
 
 
 

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