Quiz_Algae

1. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

7. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

9. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Ectocarpus produces:

 
 
 
 

13. Heterocysts are found in :

 
 
 
 

14. An alga which is rich in proteins:

 
 
 
 

15. Choose the correct statement about Spirogyra:

 
 
 
 

16. The zoospores of Ulothrix are :

 
 
 
 

17. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

23. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

25. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

27. Redness of red sea is due to :

 
 
 
 

28. Cap cells are found in the filament of:

 
 
 
 

29. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

31. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Most common type of conjugation in Spirogyra is :

 
 
 
 

35. The largest alga is:

 
 
 
 

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

 
 
 
 

37. Which of the following shows heterotrichous habit?

 
 
 
 

38. The chloroplast of Chlamydomonas are:

 
 
 
 

39. True sexuality is not found in:

 
 
 
 

40. The word “sea weeds” is used for:

 
 
 
 

41. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

43. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which of the following have algal zone?

 
 
 
 

47. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Nannandria are:

 
 
 
 

51. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. The flagella of Chlamydomonas are:

 
 
 
 

58. Which of the following have a prokaryotic cell?

 
 
 
 

59. Asexual reproductive body of Volvox is called:

 
 
 
 

60. The alga, Spirogyra are found in :

 
 
 
 

61. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following is a parasitic algae?

 
 
 
 

65. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

67. Ulothrix produces :

 
 
 
 

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

 
 
 
 

69. Iodine is obtained from :

 
 
 
 

70. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

78. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Which fixes atmospheric nitrogen?

 
 
 
 

83. Antibiotic has been extracted from :

 
 
 
 

84. Heterotrichous habit means :

 
 
 
 

85. Which group of algae have an incipient nucleus?

 
 
 
 

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