Quiz_Algae

1. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

3. Most common type of conjugation in Spirogyra is :

 
 
 
 

4. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The alga, Spirogyra are found in :

 
 
 
 

15. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. The flagella of Chlamydomonas are:

 
 
 
 

19. Ectocarpus produces:

 
 
 
 

20. Nannandria are:

 
 
 
 

21. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

22. Spirogyra represents the :

 
 
 
 

23. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

28. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

29. Agar-agar is obtained from:

 
 
 
 

30. The chloroplast of Chlamydomonas are:

 
 
 
 

31. Antibiotic has been extracted from :

 
 
 
 

32. Ulothrix produces :

 
 
 
 

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

 
 
 
 

34. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

36. The zoospores of Ulothrix are :

 
 
 
 

37. Most of the algae are :

 
 
 
 

38. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

40. Which of the following is a parasitic algae?

 
 
 
 

41. One of the distinctive feature of Spirogyra is :

 
 
 
 

42. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

44. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

46. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

48. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which group of algae have an incipient nucleus?

 
 
 
 

54. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

56. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Mostly type of zygospore in Ulothrix is:

 
 
 
 

60. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Asexual reproductive body of Volvox is called:

 
 
 
 

71. Synzoospore is produced in:

 
 
 
 

72. Which of the following shows heterotrichous habit?

 
 
 
 

73. What are Cyanobacteria?

 
 
 
 

74. True sexuality is not found in:

 
 
 
 

75. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

77. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. All algae have:

 
 
 
 

81. Which of the following have algal zone?

 
 
 
 

82. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

84. An alga which is rich in proteins:

 
 
 
 

85. The largest alga is:

 
 
 
 

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