Quiz_Algae

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

 
 
 
 

2. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

4. The chloroplast in Ulothrix is :

 
 
 
 

5. Water bloom is generally caused by :

 
 
 
 

6. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. The largest alga is:

 
 
 
 

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

 
 
 
 

12. The alga, Spirogyra are found in :

 
 
 
 

13. The flagella of Chlamydomonas are:

 
 
 
 

14. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

16. The word “sea weeds” is used for:

 
 
 
 

17. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Redness of red sea is due to :

 
 
 
 

27. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Cap cells are found in the filament of:

 
 
 
 

31. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

33. Spirogyra represents the :

 
 
 
 

34. All algae have:

 
 
 
 

35. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

37. Among the algae kelps are :

 
 
 
 

38. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

39. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

41. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The zoospores of Ulothrix are :

 
 
 
 

50. Ulothrix produces :

 
 
 
 

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

 
 
 
 

52. Heterotrichous habit means :

 
 
 
 

53. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

55. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Most of the algae are :

 
 
 
 

60. Water-net is the name of:

 
 
 
 

61. One of the distinctive feature of Spirogyra is :

 
 
 
 

62. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

64. Each chloroplast in Spirogyra bears :

 
 
 
 

65. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

70. Antibiotic has been extracted from :

 
 
 
 

71. Iodine is obtained from:

 
 
 
 

72. Asexual reproductive body of Volvox is called:

 
 
 
 

73. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

75. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

76. Ectocarpus produces:

 
 
 
 

77. Most common type of conjugation in Spirogyra is :

 
 
 
 

78. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Nannandria are:

 
 
 
 

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

 
 
 
 

85. The chloroplast of Chlamydomonas are:

 
 
 
 

86. Which fixes atmospheric nitrogen?