Quiz_Algae

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

 
 
 
 

2. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

4. The alga, Spirogyra are found in :

 
 
 
 

5. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

7. Each chloroplast in Spirogyra bears :

 
 
 
 

8. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

9. Heterotrichous habit means :

 
 
 
 

10. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

15. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. An alga which is rich in proteins:

 
 
 
 

28. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Iodine is obtained from :

 
 
 
 

32. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Water bloom is generally caused by :

 
 
 
 

36. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

38. Among the algae kelps are :

 
 
 
 

39. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Water-net is the name of:

 
 
 
 

44. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Cap cells are found in the filament of:

 
 
 
 

48. Nannandria are:

 
 
 
 

49. Ectocarpus produces:

 
 
 
 

50. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

52. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. The largest alga is:

 
 
 
 

56. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

58. The zoospores of Ulothrix are :

 
 
 
 

59. The chloroplast in Ulothrix is :

 
 
 
 

60. All algae have:

 
 
 
 

61. The chloroplast of Chlamydomonas are:

 
 
 
 

62. Which of the following is a parasitic algae?

 
 
 
 

63. Choose the correct statement about Spirogyra:

 
 
 
 

64. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

70. Which group of algae have an incipient nucleus?

 
 
 
 

71. Most of the algae are :

 
 
 
 

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

 
 
 
 

73. Most common type of conjugation in Spirogyra is :

 
 
 
 

74. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

76. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

83. Synzoospore is produced in:

 
 
 
 

84. Iodine is obtained from:

 
 
 
 

85. The flagella of Chlamydomonas are:

 
 
 
 

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