1. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

2. Green plants are classified as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

8. Oswald Tippo’s classification is:

 
 
 
 

9. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

11. Banana bunchy top is caused by :

 
 
 
 

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

 
 
 
 

13. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

15. Vascular tissue is found in :

 
 
 
 

16. Spermatophyta are characterized by producing:

 
 
 
 

17. Seeds are characteristically found in :

 
 
 
 

18. Rice, pea, potato are :

 
 
 
 

19. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

20. Fruits are not found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Citrus canker is caused by :

 
 
 
 

24. Maximum diversity of life forms occurs in :

 
 
 
 

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

 
 
 
 

26. Cryptogams include :

 
 
 
 

27. Vascular cryptogam is the term used for :

 
 
 
 

28. Embryo formation is not known in :

 
 
 
 

29. Club moss is the common name of :

 
 
 
 

30. Red rot of sugarcane is caused by :

 
 
 
 

31. Mixed cropping helps :

 
 
 
 

32. Which of the following statements is not correct?

 
 
 
 

33. Multicellular and jacketed sex organs are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Leaf spot of groundnut is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which among the following is a shrub?

 
 
 
 

45. Bryophyta have been placed in cryptogams because:

 
 
 
 

46. Woody climbers are known as :

 
 
 
 

47. Club moss and Peat moss belong to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

53. Quarantine regulations are concerned with:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

58. Oswald Tippo’s classification was based on :

 
 
 
 

59. Most primitive embryophytes are placed in :

 
 
 
 

60. The disease symptom necrosis refers to :

 
 
 
 

61. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

63. Which of the following are included in Tracheophyta?

 
 
 
 

64. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

66. Aflatoxin is produced as a product in :

 
 
 
 

67. Red rot of sugarcane is caused by :

 
 
 
 

68. Ovary is absent in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Embryophyta includes :

 
 
 
 

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

 
 
 
 

73. Black rust of wheat is caused by:

 
 
 
 

74. Late blight of potato is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Smut of maize is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Etiology includes the study of :

 
 
 
 

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

 
 
 
 

83. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

89. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

91. Roots are absent in :

 
 
 
 

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

 
 
 
 

93. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

95. Liverworts are included in :

 
 
 
 

96. Gymnosperms could also be called as:

 
 
 
 

97. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

100. Which one of the following is a monocot?

 
 
 
 

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

 
 
 
 


Leave a Comment