Uncategorized

By Vijay Wardhan • December 8, 2024

1. Aflatoxin is produced as a product in :

 
 
 
 

2. Vascular cryptogam is the term used for :

 
 
 
 

3. Oswald Tippo’s classification was based on :

 
 
 
 

4. Which of the following are included in Tracheophyta?

 
 
 
 

5. Club moss is the common name of :

 
 
 
 

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

 
 
 
 

7. Fruits are not found in :

 
 
 
 

8. Embryo formation is not known in :

 
 
 
 

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

 
 
 
 

10. Embryophyta includes :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Small epidermal swellings due to infection are called :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Cryptogams include :

 
 
 
 

17. Ovary is absent in :

 
 
 
 

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

 
 
 
 

19. Citrus canker is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Ergot is obtained from :

 
 
 
 

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

 
 
 
 

24. The disease symptom necrosis refers to :

 
 
 
 

25. Liverworts are included in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Rice, pea, potato are :

 
 
 
 

30. Club moss and Peat moss belong to:

 
 
 
 

31. Seeds are characteristically found in :

 
 
 
 

32. Woody climbers are known as :

 
 
 
 

33. Most primitive embryophytes are placed in :

 
 
 
 

34. Banana bunchy top is caused by :

 
 
 
 

35. Etiology includes the study of :

 
 
 
 

36. Which of the following is a monocot?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Which one of the following is a monocot?

 
 
 
 

44. Smut of maize is caused by :

 
 
 
 

45. Rigid cell wall and embryo formation characterise kingdom :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Leaf spot of groundnut is caused by :

 
 
 
 

51. Black rust of wheat is caused by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Which among the following is a shrub?

 
 
 
 

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

 
 
 
 

56. Disease resistant plant varieties can be produced by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Vascular tissue is found in :

 
 
 
 

63. Maximum diversity of life forms occurs in :

 
 
 
 

64. ‘Snakes of Plant Kingdom’ is :

 
 
 
 

65. Helminthosporium oryzae was the cause of disaster :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Chief constituents of bordeaux mixture are :

 
 
 
 

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

 
 
 
 

74. Red rot of sugarcane is caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Quarantine regulations are concerned with:

 
 
 
 

78. Which of the following statements is not correct?

 
 
 
 

79. Green plants are classified as :

 
 
 
 

80. Spermatophyta are characterized by producing:

 
 
 
 

81. Bryophyta have been placed in cryptogams because:

 
 
 
 

82. Pteridophytes are also known as :

 
 
 
 

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

 
 
 
 

84. Ovules are not found enclosed in ovary in :

 
 
 
 

85. Roots are absent in :

 
 
 
 

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

 
 
 
 

87. Red rot of sugarcane is caused by :

 
 
 
 

88. Which of the following does not contain chlorophyll?

 
 
 
 

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

 
 
 
 

90. Multicellular and jacketed sex organs are found in :

 
 
 
 

91. Late blight of potato is caused by :

 
 
 
 

92. Oswald Tippo’s classification is:

 
 
 
 

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

 
 
 
 

94. Gymnosperms could also be called as:

 
 
 
 

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

 
 
 
 

96. Mixed cropping helps :

 
 
 
 

97. Downy mildew disease is caused by :

 
 
 
 

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

 
 
 
 

99. Pythium debaryanum is the causative agent of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 


Leave a Reply

Your email address will not be published. Required fields are marked *