Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Asexual reproductive body of Volvox is called:

 
 
 
 

8. Among the algae kelps are :

 
 
 
 

9. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

10. Which of the following have algal zone?

 
 
 
 

11. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

13. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

15. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Cap cells are found in the filament of:

 
 
 
 

21. The alga, Spirogyra are found in :

 
 
 
 

22. Mostly type of zygospore in Ulothrix is:

 
 
 
 

23. Isomorphic type alternation of generation is found in:

 
 
 
 

24. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. All algae have:

 
 
 
 

28. Iodine is obtained from :

 
 
 
 

29. Water-net is the name of:

 
 
 
 

30. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

37. The largest alga is:

 
 
 
 

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

 
 
 
 

39. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

40. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

46. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

48. Which fixes atmospheric nitrogen?

 
 
 
 

49. Synzoospore is produced in:

 
 
 
 

50. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. The word “sea weeds” is used for:

 
 
 
 

54. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

56. Heterotrichous habit means :

 
 
 
 

57. Which of the following shows heterotrichous habit?

 
 
 
 

58. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

67. Agar-agar is obtained from:

 
 
 
 

68. Spirogyra represents the :

 
 
 
 

69. Meiosis in Ulothrix takes place:

 
 
 
 

70. The chloroplast of Chlamydomonas are:

 
 
 
 

71. The zoospores of Ulothrix are :

 
 
 
 

72. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

73. Ulothrix produces :

 
 
 
 

74. Redness of red sea is due to :

 
 
 
 

75. What are Cyanobacteria?

 
 
 
 

76. Antibiotic has been extracted from :

 
 
 
 

77. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Nannandria are:

 
 
 
 

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