Quiz_Algae

1. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

3. Heterotrichous habit means :

 
 
 
 

4. The chloroplast of Chlamydomonas are:

 
 
 
 

5. Synzoospore is produced in:

 
 
 
 

6. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

8. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Asexual reproductive body of Volvox is called:

 
 
 
 

16. Each chloroplast in Spirogyra bears :

 
 
 
 

17. Which one of the following statement is wrong?

 
 
 
 

18. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

19. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

21. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

27. The zoospores of Ulothrix are :

 
 
 
 

28. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

30. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. The chloroplast in Ulothrix is :

 
 
 
 

42. Ulothrix produces :

 
 
 
 

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

 
 
 
 

44. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

49. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Ectocarpus produces:

 
 
 
 

53. What are Cyanobacteria?

 
 
 
 

54. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

56. Most of the algae are :

 
 
 
 

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

 
 
 
 

58. Agar-agar is obtained from:

 
 
 
 

59. Isomorphic type alternation of generation is found in:

 
 
 
 

60. Meiosis in Ulothrix takes place:

 
 
 
 

61. Antibiotic has been extracted from :

 
 
 
 

62. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

64. The alga, Spirogyra are found in :

 
 
 
 

65. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

67. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

68. Which group of algae have an incipient nucleus?

 
 
 
 

69. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

71. All algae have:

 
 
 
 

72. Water-net is the name of:

 
 
 
 

73. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

75. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. True sexuality is not found in:

 
 
 
 

79. Mostly type of zygospore in Ulothrix is:

 
 
 
 

80. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. One of the distinctive feature of Spirogyra is :

 
 
 
 

85. Which of the following have a prokaryotic cell?

 
 
 
 

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