Quiz_Algae

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

 
 
 
 

2. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

4. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. One of the distinctive feature of Spirogyra is :

 
 
 
 

9. Which of the following have algal zone?

 
 
 
 

10. Choose the correct statement about Spirogyra:

 
 
 
 

11. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

13. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

15. The alga, Spirogyra are found in :

 
 
 
 

16. All algae have:

 
 
 
 

17. Most common type of conjugation in Spirogyra is :

 
 
 
 

18. Agar-agar is obtained from:

 
 
 
 

19. Nannandria are:

 
 
 
 

20. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

22. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

24. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

25. Water bloom is generally caused by :

 
 
 
 

26. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

28. Meiosis in Ulothrix takes place:

 
 
 
 

29. Mostly type of zygospore in Ulothrix is:

 
 
 
 

30. Which of the following shows heterotrichous habit?

 
 
 
 

31. Water-net is the name of:

 
 
 
 

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

 
 
 
 

33. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which of the following have a prokaryotic cell?

 
 
 
 

41. The chloroplast of Chlamydomonas are:

 
 
 
 

42. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

44. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

45. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Most of the algae are :

 
 
 
 

53. An alga which is rich in proteins:

 
 
 
 

54. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

59. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. The largest alga is:

 
 
 
 

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

 
 
 
 

64. Iodine is obtained from:

 
 
 
 

65. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

67. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Ulothrix produces :

 
 
 
 

73. True sexuality is not found in:

 
 
 
 

74. Asexual reproductive body of Volvox is called:

 
 
 
 

75. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

77. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

85. Iodine is obtained from :

 
 
 
 

86. What are Cyanobacteria?