Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. The largest alga is:

 
 
 
 

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

 
 
 
 

5. Which group of algae have an incipient nucleus?

 
 
 
 

6. Iodine is obtained from :

 
 
 
 

7. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Meiosis in Ulothrix takes place:

 
 
 
 

12. All algae have:

 
 
 
 

13. The chloroplast in Ulothrix is :

 
 
 
 

14. What are Cyanobacteria?

 
 
 
 

15. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

17. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

18. Iodine is obtained from:

 
 
 
 

19. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Which of the following have a prokaryotic cell?

 
 
 
 

24. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Agar-agar is obtained from:

 
 
 
 

28. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

30. Spirogyra represents the :

 
 
 
 

31. Water-net is the name of:

 
 
 
 

32. Redness of red sea is due to :

 
 
 
 

33. The flagella of Chlamydomonas are:

 
 
 
 

34. Nannandria are:

 
 
 
 

35. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

37. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Synzoospore is produced in:

 
 
 
 

45. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. The alga, Spirogyra are found in :

 
 
 
 

51. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Most common type of conjugation in Spirogyra is :

 
 
 
 

57. The chloroplast of Chlamydomonas are:

 
 
 
 

58. Antibiotic has been extracted from :

 
 
 
 

59. Ulothrix produces :

 
 
 
 

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

 
 
 
 

61. Which fixes atmospheric nitrogen?

 
 
 
 

62. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Which of the following have algal zone?

 
 
 
 

74. Heterotrichous habit means :

 
 
 
 

75. Which of the following is a parasitic algae?

 
 
 
 

76. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

78. True sexuality is not found in:

 
 
 
 

79. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

81. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

83. Asexual reproductive body of Volvox is called:

 
 
 
 

84. The word “sea weeds” is used for:

 
 
 
 

85. Each chloroplast in Spirogyra bears :

 
 
 
 

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