Quiz_Algae

1. Richest source of protein, becoming popular throughout world and available in the Indian market also:

 
 
 
 

2. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

3. ‘Red snow’ is caused by which of the following in alpine region?

 
 
 
 

4. What is the reserve food material in chlorophycean algae?

 
 
 
 

5. The basal-cell by which an alga is attached to its substratum is known as :

 
 
 
 

6. The zoospores of Ulothrix are :

 
 
 
 

7. Prof. R.N. Singh has noteworthy contributions in the field of:

 
 
 
 

8. Iodine is obtained from:

 
 
 
 

9. Plant body is diploid and meiosis occurs in diploid gametangia at the time of formation of gametes in:

 
 
 
 

10. What are Cyanobacteria?

 
 
 
 

11. Cap cells are found in the filament of:

 
 
 
 

12. Zygote which divides by meiotic division (zygotic meiosis occurs in):

 
 
 
 

13. Which type of sexual reproduction is found in Volvox?

 
 
 
 

14. Diatoms are not destroyed easily like other algae, because:

 
 
 
 

15. Which one of the following statement is wrong?

 
 
 
 

16. Which type of sexual reproduction is found in C. coccifera?

 
 
 
 

17. Among the algae kelps are :

 
 
 
 

18. Water bloom is generally caused by :

 
 
 
 

19. The chloroplast of Chlamydomonas are:

 
 
 
 

20. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

21. Ulothrix produces :

 
 
 
 

22. Water-net is the name of:

 
 
 
 

23. Ectocarpus produces:

 
 
 
 

24. Which of the following have algal zone?

 
 
 
 

25. The alga, Spirogyra are found in :

 
 
 
 

26. Under certain circumstances, a generating cell forms aplanospores from mucilaginous mass, which encloses numerous small but uninucleated bodies; this is known as :

 
 
 
 

27. Antibiotic has been extracted from :

 
 
 
 

28. True sexuality is not found in:

 
 
 
 

29. Haplo-diplo-haplontic type triphasic life cycle occurs in:

 
 
 
 

30. The word “sea weeds” is used for:

 
 
 
 

31. Which type of sexual reproduction is found in C. brauni?

 
 
 
 

32. Mostly type of zygospore in Ulothrix is:

 
 
 
 

33. At the time of germination of zygospore in Spirogyra:

 
 
 
 

34. Which of the following is a parasitic algae?

 
 
 
 

35. Plant body is violettish-blue or blue-green in:

 
 
 
 

36. Which fixes atmospheric nitrogen?

 
 
 
 

37. Which of the following shows heterotrichous habit?

 
 
 
 

38. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

39. The photoreceptor found at the anterior end of Chlamydomonas is:

 
 
 
 

40. Which of the following have a prokaryotic cell?

 
 
 
 

41. The main characteristic that distinguishes a Spirogyra cell from a Ulothrix cell is :

 
 
 
 

42. Blue-green algae, which live as endozoic in protozoans are called :

 
 
 
 

43. Important feature of Spirogyra that distinguishes it from Ulothrix is :

 
 
 
 

44. Spirogyra represents the :

 
 
 
 

45. In which of the following, isogamy, anisogamy and oogamy all are found?

 
 
 
 

46. Each cell of Volvox colony has a structure, similar to:

 
 
 
 

47. Which type of sexual reproduction is found in C. debaryana?

 
 
 
 

48. The chloroplast in Ulothrix is :

 
 
 
 

49. Nonmotile, thin-walled spores of algae are called :

 
 
 
 

50. Spirogyra is commonly known by the name of ‘Pond scum’ or ‘Pond silk’ because :

 
 
 
 

51. The flagella of Chlamydomonas are:

 
 
 
 

52. Synzoospore is produced in:

 
 
 
 

53. Most of the algae are :

 
 
 
 

54. Nannandria are:

 
 
 
 

55. All algae have:

 
 
 
 

56. Meiosis in Ulothrix takes place:

 
 
 
 

57. On germination, each zygospore of Spirogyra divides meiotically into four, but the number of filaments produced is :

 
 
 
 

58. Agar-agar and algin are the product of:

 
 
 
 

59. One of the distinctive feature of Spirogyra is :

 
 
 
 

60. Sometimes a ladder-like structure is exhibited in Spirogyra due to :

 
 
 
 

61. ‘Pond silk’ or ‘Water silk’ is the common name of :

 
 
 
 

62. Asexual reproductive body of Volvox is called:

 
 
 
 

63. Heterotrichous habit means :

 
 
 
 

64. Which of the following plants does not have archegonium?

 
 
 
 

65. Which one of the following is an endozoic algae?

 
 
 
 

66. One of the algae can be used as food in the space flight. It is :

 
 
 
 

67. Nucleus in Spirogyra is suspended in the cell with the help of :

 
 
 
 

68. An alga which is rich in proteins:

 
 
 
 

69. Heterocysts are found in :

 
 
 
 

70. Fire resistant fibres and plastic are obtained from the alginates present in the cell wall of which algae?

 
 
 
 

71. Most common type of conjugation in Spirogyra is :

 
 
 
 

72. Which is not likely to be found on sea shore?

 
 
 
 

73. Which group of algae have an incipient nucleus?

 
 
 
 

74. Most of the algae along with other submerged plants usually float on water during the day time, while they sink at night, because :

 
 
 
 

75. Green plants without root, stem and leaves, but with a simple usually filamentous plant body are called:

 
 
 
 

76. The thread-like body of Nostoc filament without mucilage sheath is called :

 
 
 
 

77. Each chloroplast in Spirogyra bears :

 
 
 
 

78. Choose the correct statement about Spirogyra:

 
 
 
 

79. Agar-agar, a common substance used in research is obtained from :

 
 
 
 

80. Which is not the characteristic feature in Spirogyra life history?

 
 
 
 

81. Iodine is obtained from :

 
 
 
 

82. Isomorphic type alternation of generation is found in:

 
 
 
 

83. Which among the following is known as Father of Indian phycology?

 
 
 
 

84. Redness of red sea is due to :

 
 
 
 

85. Agar-agar is obtained from:

 
 
 
 

86. The largest alga is: