Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

5. An alga which is rich in proteins:

 
 
 
 

6. Nannandria are:

 
 
 
 

7. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

9. Which of the following shows heterotrichous habit?

 
 
 
 

10. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

12. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

14. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

15. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Meiosis in Ulothrix takes place:

 
 
 
 

20. Heterotrichous habit means :

 
 
 
 

21. The chloroplast in Ulothrix is :

 
 
 
 

22. The zoospores of Ulothrix are :

 
 
 
 

23. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. All algae have:

 
 
 
 

30. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

32. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

33. Iodine is obtained from:

 
 
 
 

34. One of the distinctive feature of Spirogyra is :

 
 
 
 

35. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Water-net is the name of:

 
 
 
 

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

 
 
 
 

40. The chloroplast of Chlamydomonas are:

 
 
 
 

41. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. The word “sea weeds” is used for:

 
 
 
 

45. Agar-agar is obtained from:

 
 
 
 

46. Which of the following is a parasitic algae?

 
 
 
 

47. Antibiotic has been extracted from :

 
 
 
 

48. The flagella of Chlamydomonas are:

 
 
 
 

49. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

55. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

57. Ectocarpus produces:

 
 
 
 

58. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Mostly type of zygospore in Ulothrix is:

 
 
 
 

63. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ulothrix produces :

 
 
 
 

67. Which fixes atmospheric nitrogen?

 
 
 
 

68. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Among the algae kelps are :

 
 
 
 

72. The largest alga is:

 
 
 
 

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

 
 
 
 

74. Which group of algae have an incipient nucleus?

 
 
 
 

75. The alga, Spirogyra are found in :

 
 
 
 

76. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Which of the following have algal zone?

 
 
 
 

82. Heterocysts are found in :

 
 
 
 

83. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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