Quiz_Algae

1. Cap cells are found in the filament of:

 
 
 
 

2. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which of the following have algal zone?

 
 
 
 

7. Heterotrichous habit means :

 
 
 
 

8. Iodine is obtained from :

 
 
 
 

9. Which of the following is a parasitic algae?

 
 
 
 

10. Ulothrix produces :

 
 
 
 

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

 
 
 
 

12. The alga, Spirogyra are found in :

 
 
 
 

13. Nannandria are:

 
 
 
 

14. Spirogyra represents the :

 
 
 
 

15. Ectocarpus produces:

 
 
 
 

16. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

18. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Water-net is the name of:

 
 
 
 

22. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

26. Which one of the following statement is wrong?

 
 
 
 

27. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

32. Most of the algae are :

 
 
 
 

33. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

35. The flagella of Chlamydomonas are:

 
 
 
 

36. Iodine is obtained from:

 
 
 
 

37. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

39. An alga which is rich in proteins:

 
 
 
 

40. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. What are Cyanobacteria?

 
 
 
 

44. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

46. Heterocysts are found in :

 
 
 
 

47. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

49. The zoospores of Ulothrix are :

 
 
 
 

50. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

60. Which group of algae have an incipient nucleus?

 
 
 
 

61. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

66. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

75. Agar-agar is obtained from:

 
 
 
 

76. Each chloroplast in Spirogyra bears :

 
 
 
 

77. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

84. Mostly type of zygospore in Ulothrix is:

 
 
 
 

85. The chloroplast in Ulothrix is :

 
 
 
 

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