Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. An alga which is rich in proteins:

 
 
 
 

9. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

11. The largest alga is:

 
 
 
 

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

 
 
 
 

13. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

15. Cap cells are found in the filament of:

 
 
 
 

16. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

24. Synzoospore is produced in:

 
 
 
 

25. One of the distinctive feature of Spirogyra is :

 
 
 
 

26. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

27. Isomorphic type alternation of generation is found in:

 
 
 
 

28. Iodine is obtained from :

 
 
 
 

29. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. All algae have:

 
 
 
 

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

 
 
 
 

34. The flagella of Chlamydomonas are:

 
 
 
 

35. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

37. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

39. The alga, Spirogyra are found in :

 
 
 
 

40. Which of the following shows heterotrichous habit?

 
 
 
 

41. Which one of the following statement is wrong?

 
 
 
 

42. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

44. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

55. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

57. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Mostly type of zygospore in Ulothrix is:

 
 
 
 

62. Iodine is obtained from:

 
 
 
 

63. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

64. Most of the algae are :

 
 
 
 

65. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. The zoospores of Ulothrix are :

 
 
 
 

69. Ectocarpus produces:

 
 
 
 

70. Which of the following have a prokaryotic cell?

 
 
 
 

71. Water-net is the name of:

 
 
 
 

72. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

74. Which of the following have algal zone?

 
 
 
 

75. True sexuality is not found in:

 
 
 
 

76. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The word “sea weeds” is used for:

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

82. The chloroplast of Chlamydomonas are:

 
 
 
 

83. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

85. Choose the correct statement about Spirogyra:

 
 
 
 

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