Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. The largest alga is:

 
 
 
 

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

 
 
 
 

6. The word “sea weeds” is used for:

 
 
 
 

7. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

9. What are Cyanobacteria?

 
 
 
 

10. Which of the following is a parasitic algae?

 
 
 
 

11. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

20. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Heterotrichous habit means :

 
 
 
 

24. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

26. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

27. Mostly type of zygospore in Ulothrix is:

 
 
 
 

28. Meiosis in Ulothrix takes place:

 
 
 
 

29. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

30. Most common type of conjugation in Spirogyra is :

 
 
 
 

31. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

33. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

38. Which of the following have a prokaryotic cell?

 
 
 
 

39. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Isomorphic type alternation of generation is found in:

 
 
 
 

51. Which fixes atmospheric nitrogen?

 
 
 
 

52. Water-net is the name of:

 
 
 
 

53. An alga which is rich in proteins:

 
 
 
 

54. Agar-agar is obtained from:

 
 
 
 

55. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

57. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

62. Among the algae kelps are :

 
 
 
 

63. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

64. Ulothrix produces :

 
 
 
 

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

 
 
 
 

66. All algae have:

 
 
 
 

67. Nannandria are:

 
 
 
 

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

 
 
 
 

69. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

71. Choose the correct statement about Spirogyra:

 
 
 
 

72. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

77. The flagella of Chlamydomonas are:

 
 
 
 

78. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

80. Spirogyra represents the :

 
 
 
 

81. Antibiotic has been extracted from :

 
 
 
 

82. True sexuality is not found in:

 
 
 
 

83. Which of the following shows heterotrichous habit?

 
 
 
 

84. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

86. Water bloom is generally caused by :