Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The alga, Spirogyra are found in :

 
 
 
 

6. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

8. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. The word “sea weeds” is used for:

 
 
 
 

12. Most of the algae are :

 
 
 
 

13. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Nannandria are:

 
 
 
 

21. Spirogyra represents the :

 
 
 
 

22. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

24. Water-net is the name of:

 
 
 
 

25. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

27. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

29. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Which of the following have a prokaryotic cell?

 
 
 
 

34. Mostly type of zygospore in Ulothrix is:

 
 
 
 

35. Ulothrix produces :

 
 
 
 

36. Asexual reproductive body of Volvox is called:

 
 
 
 

37. Water bloom is generally caused by :

 
 
 
 

38. Redness of red sea is due to :

 
 
 
 

39. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

41. The zoospores of Ulothrix are :

 
 
 
 

42. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

44. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

45. Heterocysts are found in :

 
 
 
 

46. The chloroplast of Chlamydomonas are:

 
 
 
 

47. Which of the following is a parasitic algae?

 
 
 
 

48. The flagella of Chlamydomonas are:

 
 
 
 

49. Cap cells are found in the filament of:

 
 
 
 

50. Antibiotic has been extracted from :

 
 
 
 

51. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Which of the following have algal zone?

 
 
 
 

61. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Ectocarpus produces:

 
 
 
 

65. One of the distinctive feature of Spirogyra is :

 
 
 
 

66. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Which of the following shows heterotrichous habit?

 
 
 
 

75. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

77. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. All algae have:

 
 
 
 

82. Synzoospore is produced in:

 
 
 
 

83. The largest alga is:

 
 
 
 

84. Iodine is obtained from :

 
 
 
 

85. Each chloroplast in Spirogyra bears :

 
 
 
 

86. Choose the correct statement about Spirogyra: