Quiz_Algae

1. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

3. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Agar-agar is obtained from:

 
 
 
 

7. The alga, Spirogyra are found in :

 
 
 
 

8. Ulothrix produces :

 
 
 
 

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

 
 
 
 

10. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

12. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

17. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Isomorphic type alternation of generation is found in:

 
 
 
 

23. Among the algae kelps are :

 
 
 
 

24. Which group of algae have an incipient nucleus?

 
 
 
 

25. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

27. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

29. The zoospores of Ulothrix are :

 
 
 
 

30. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

32. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which of the following have a prokaryotic cell?

 
 
 
 

41. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

43. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

45. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

47. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

49. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. All algae have:

 
 
 
 

53. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. The word “sea weeds” is used for:

 
 
 
 

58. Which fixes atmospheric nitrogen?

 
 
 
 

59. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Meiosis in Ulothrix takes place:

 
 
 
 

63. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which of the following shows heterotrichous habit?

 
 
 
 

67. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

68. Ectocarpus produces:

 
 
 
 

69. Iodine is obtained from:

 
 
 
 

70. Heterocysts are found in :

 
 
 
 

71. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

76. Water bloom is generally caused by :

 
 
 
 

77. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

81. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

82. Nannandria are:

 
 
 
 

83. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

85. Water-net is the name of:

 
 
 
 

86. Asexual reproductive body of Volvox is called: