Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. One of the distinctive feature of Spirogyra is :

 
 
 
 

7. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

8. Which of the following have algal zone?

 
 
 
 

9. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

11. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

13. An alga which is rich in proteins:

 
 
 
 

14. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

16. Which of the following have a prokaryotic cell?

 
 
 
 

17. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Iodine is obtained from :

 
 
 
 

22. Water bloom is generally caused by :

 
 
 
 

23. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. The zoospores of Ulothrix are :

 
 
 
 

28. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Among the algae kelps are :

 
 
 
 

37. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

39. Meiosis in Ulothrix takes place:

 
 
 
 

40. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Ulothrix produces :

 
 
 
 

44. The chloroplast of Chlamydomonas are:

 
 
 
 

45. All algae have:

 
 
 
 

46. Heterocysts are found in :

 
 
 
 

47. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which of the following is a parasitic algae?

 
 
 
 

54. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

56. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

58. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

59. The chloroplast in Ulothrix is :

 
 
 
 

60. Nannandria are:

 
 
 
 

61. Spirogyra represents the :

 
 
 
 

62. The alga, Spirogyra are found in :

 
 
 
 

63. Iodine is obtained from:

 
 
 
 

64. Isomorphic type alternation of generation is found in:

 
 
 
 

65. Each chloroplast in Spirogyra bears :

 
 
 
 

66. The largest alga is:

 
 
 
 

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

 
 
 
 

68. Most common type of conjugation in Spirogyra is :

 
 
 
 

69. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

71. Agar-agar is obtained from:

 
 
 
 

72. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. True sexuality is not found in:

 
 
 
 

80. Water-net is the name of:

 
 
 
 

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

 
 
 
 

82. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. What are Cyanobacteria?

 
 
 
 

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