Quiz_Algae

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

 
 
 
 

2. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. The chloroplast of Chlamydomonas are:

 
 
 
 

11. Which of the following shows heterotrichous habit?

 
 
 
 

12. The largest alga is:

 
 
 
 

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

 
 
 
 

14. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

15. Each chloroplast in Spirogyra bears :

 
 
 
 

16. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which fixes atmospheric nitrogen?

 
 
 
 

21. Heterotrichous habit means :

 
 
 
 

22. What are Cyanobacteria?

 
 
 
 

23. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Which one of the following statement is wrong?

 
 
 
 

28. Isomorphic type alternation of generation is found in:

 
 
 
 

29. Which group of algae have an incipient nucleus?

 
 
 
 

30. Redness of red sea is due to :

 
 
 
 

31. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Ulothrix produces :

 
 
 
 

35. Iodine is obtained from :

 
 
 
 

36. An alga which is rich in proteins:

 
 
 
 

37. Heterocysts are found in :

 
 
 
 

38. All algae have:

 
 
 
 

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

 
 
 
 

40. Asexual reproductive body of Volvox is called:

 
 
 
 

41. Nannandria are:

 
 
 
 

42. The zoospores of Ulothrix are :

 
 
 
 

43. Mostly type of zygospore in Ulothrix is:

 
 
 
 

44. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

53. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Water-net is the name of:

 
 
 
 

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

 
 
 
 

62. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

64. Which of the following have algal zone?

 
 
 
 

65. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

71. The chloroplast in Ulothrix is :

 
 
 
 

72. Ectocarpus produces:

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

75. Most common type of conjugation in Spirogyra is :

 
 
 
 

76. The flagella of Chlamydomonas are:

 
 
 
 

77. Agar-agar is obtained from:

 
 
 
 

78. Choose the correct statement about Spirogyra:

 
 
 
 

79. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

81. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

83. Which of the following is a parasitic algae?

 
 
 
 

84. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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