Quiz_Algae

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

 
 
 
 

2. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

11. Water-net is the name of:

 
 
 
 

12. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Synzoospore is produced in:

 
 
 
 

21. Most of the algae are :

 
 
 
 

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

 
 
 
 

23. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Which of the following have algal zone?

 
 
 
 

33. Cap cells are found in the filament of:

 
 
 
 

34. Water bloom is generally caused by :

 
 
 
 

35. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Meiosis in Ulothrix takes place:

 
 
 
 

43. Iodine is obtained from:

 
 
 
 

44. True sexuality is not found in:

 
 
 
 

45. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

47. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

49. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

50. The alga, Spirogyra are found in :

 
 
 
 

51. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

53. An alga which is rich in proteins:

 
 
 
 

54. Each chloroplast in Spirogyra bears :

 
 
 
 

55. Isomorphic type alternation of generation is found in:

 
 
 
 

56. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

58. Redness of red sea is due to :

 
 
 
 

59. Mostly type of zygospore in Ulothrix is:

 
 
 
 

60. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

62. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

63. All algae have:

 
 
 
 

64. The largest alga is:

 
 
 
 

65. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

67. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

73. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

75. Which of the following have a prokaryotic cell?

 
 
 
 

76. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Nannandria are:

 
 
 
 

80. The chloroplast in Ulothrix is :

 
 
 
 

81. Agar-agar is obtained from:

 
 
 
 

82. Ectocarpus produces:

 
 
 
 

83. Ulothrix produces :

 
 
 
 

84. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

86. Spirogyra represents the :