Quiz_Plantae

1. Most primitive embryophytes are placed in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Spermatophyta are characterized by producing:

 
 
 
 

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

 
 
 
 

10. Club moss is the common name of :

 
 
 
 

11. Vascular tissue is found in :

 
 
 
 

12. The disease symptom necrosis refers to :

 
 
 
 

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

 
 
 
 

14. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Rice, pea, potato are :

 
 
 
 

21. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

23. Citrus canker is caused by :

 
 
 
 

24. Quarantine regulations are concerned with:

 
 
 
 

25. Embryophyta includes :

 
 
 
 

26. Which of the following are included in Tracheophyta?

 
 
 
 

27. Vascular cryptogam is the term used for :

 
 
 
 

28. Liverworts are included in :

 
 
 
 

29. Green plants are classified as :

 
 
 
 

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

 
 
 
 

31. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Multicellular and jacketed sex organs are found in :

 
 
 
 

37. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

42. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

49. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

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

 
 
 
 

51. Oswald Tippo’s classification was based on :

 
 
 
 

52. Aflatoxin is produced as a product in :

 
 
 
 

53. Seeds are characteristically found in :

 
 
 
 

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

 
 
 
 

55. Maximum diversity of life forms occurs in :

 
 
 
 

56. Woody climbers are known as :

 
 
 
 

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

 
 
 
 

58. Mixed cropping helps :

 
 
 
 

59. Bryophyta have been placed in cryptogams because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Ovary is absent in :

 
 
 
 

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

 
 
 
 

64. Disease resistant plant varieties can be produced by :

 
 
 
 

65. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

67. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Cryptogams include :

 
 
 
 

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

 
 
 
 

75. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 

77. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

85. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

87. Ergot is obtained from :

 
 
 
 

88. Which of the following statements is not correct?

 
 
 
 

89. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

93. Roots are absent in :

 
 
 
 

94. Which of the following does not contain chlorophyll?

 
 
 
 

95. Etiology includes the study of :

 
 
 
 

96. Which among the following is a shrub?

 
 
 
 

97. Ovules are not found enclosed in ovary in :

 
 
 
 

98. Pythium debaryanum is the causative agent of:

 
 
 
 

99. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

101. Leaf spot of groundnut is caused by :