Quiz_Algae

1. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

3. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

5. Water-net is the name of:

 
 
 
 

6. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

8. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

9. Mostly type of zygospore in Ulothrix is:

 
 
 
 

10. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Iodine is obtained from :

 
 
 
 

14. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. All algae have:

 
 
 
 

19. Heterotrichous habit means :

 
 
 
 

20. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

22. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

27. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

29. The word “sea weeds” is used for:

 
 
 
 

30. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

31. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

33. Antibiotic has been extracted from :

 
 
 
 

34. The chloroplast in Ulothrix is :

 
 
 
 

35. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

37. Most common type of conjugation in Spirogyra is :

 
 
 
 

38. Which one of the following statement is wrong?

 
 
 
 

39. What are Cyanobacteria?

 
 
 
 

40. Among the algae kelps are :

 
 
 
 

41. Which of the following is a parasitic algae?

 
 
 
 

42. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

44. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Agar-agar is obtained from:

 
 
 
 

48. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Most of the algae are :

 
 
 
 

61. Synzoospore is produced in:

 
 
 
 

62. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

64. The zoospores of Ulothrix are :

 
 
 
 

65. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

72. Nannandria are:

 
 
 
 

73. Which fixes atmospheric nitrogen?

 
 
 
 

74. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

82. The flagella of Chlamydomonas are:

 
 
 
 

83. The largest alga is:

 
 
 
 

84. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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