Quiz_Algae

1. Meiosis in Ulothrix takes place:

 
 
 
 

2. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Choose the correct statement about Spirogyra:

 
 
 
 

8. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

16. Ulothrix produces :

 
 
 
 

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

 
 
 
 

18. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

20. Which of the following shows heterotrichous habit?

 
 
 
 

21. Nannandria are:

 
 
 
 

22. The largest alga is:

 
 
 
 

23. Which fixes atmospheric nitrogen?

 
 
 
 

24. Most of the algae are :

 
 
 
 

25. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

35. Among the algae kelps are :

 
 
 
 

36. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Iodine is obtained from:

 
 
 
 

40. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

42. Synzoospore is produced in:

 
 
 
 

43. Redness of red sea is due to :

 
 
 
 

44. An alga which is rich in proteins:

 
 
 
 

45. Most common type of conjugation in Spirogyra is :

 
 
 
 

46. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

48. Each chloroplast in Spirogyra bears :

 
 
 
 

49. All algae have:

 
 
 
 

50. The chloroplast of Chlamydomonas are:

 
 
 
 

51. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

53. Spirogyra represents the :

 
 
 
 

54. True sexuality is not found in:

 
 
 
 

55. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

57. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

58. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Cap cells are found in the filament of:

 
 
 
 

62. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Agar-agar is obtained from:

 
 
 
 

66. Heterotrichous habit means :

 
 
 
 

67. What are Cyanobacteria?

 
 
 
 

68. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

78. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Which of the following have a prokaryotic cell?

 
 
 
 

84. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

86. Ulothrix and Spirogyra reproduce vegetatively by :