Quiz_Algae

1. Heterotrichous habit means :

 
 
 
 

2. Ulothrix produces :

 
 
 
 

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

 
 
 
 

4. Most common type of conjugation in Spirogyra is :

 
 
 
 

5. Most of the algae are :

 
 
 
 

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

 
 
 
 

7. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

9. Which of the following is a parasitic algae?

 
 
 
 

10. Among the algae kelps are :

 
 
 
 

11. The word “sea weeds” is used for:

 
 
 
 

12. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

14. Antibiotic has been extracted from :

 
 
 
 

15. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

17. Which one of the following statement is wrong?

 
 
 
 

18. Cap cells are found in the filament of:

 
 
 
 

19. Redness of red sea is due to :

 
 
 
 

20. Mostly type of zygospore in Ulothrix is:

 
 
 
 

21. Meiosis in Ulothrix takes place:

 
 
 
 

22. All algae have:

 
 
 
 

23. Water-net is the name of:

 
 
 
 

24. The largest alga is:

 
 
 
 

25. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

30. Nannandria are:

 
 
 
 

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

 
 
 
 

32. Spirogyra represents the :

 
 
 
 

33. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Water bloom is generally caused by :

 
 
 
 

37. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Heterocysts are found in :

 
 
 
 

49. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

51. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

60. The zoospores of Ulothrix are :

 
 
 
 

61. The chloroplast in Ulothrix is :

 
 
 
 

62. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

64. Which of the following have algal zone?

 
 
 
 

65. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

67. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

69. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Isomorphic type alternation of generation is found in:

 
 
 
 

80. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

81. Ectocarpus produces:

 
 
 
 

82. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Synzoospore is produced in: