Quiz_Algae

1. The chloroplast in Ulothrix is :

 
 
 
 

2. Heterocysts are found in :

 
 
 
 

3. The zoospores of Ulothrix are :

 
 
 
 

4. What are Cyanobacteria?

 
 
 
 

5. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

10. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Ulothrix produces :

 
 
 
 

14. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Which of the following is a parasitic algae?

 
 
 
 

20. Among the algae kelps are :

 
 
 
 

21. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Redness of red sea is due to :

 
 
 
 

25. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

30. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

32. The flagella of Chlamydomonas are:

 
 
 
 

33. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Mostly type of zygospore in Ulothrix is:

 
 
 
 

37. True sexuality is not found in:

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

39. Ectocarpus produces:

 
 
 
 

40. Iodine is obtained from :

 
 
 
 

41. Water-net is the name of:

 
 
 
 

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

 
 
 
 

43. Which one of the following statement is wrong?

 
 
 
 

44. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

45. Isomorphic type alternation of generation is found 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. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

49. The word “sea weeds” is used for:

 
 
 
 

50. Nannandria are:

 
 
 
 

51. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

53. Which of the following shows heterotrichous habit?

 
 
 
 

54. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Synzoospore is produced in:

 
 
 
 

58. Asexual reproductive body of Volvox is called:

 
 
 
 

59. Which of the following have a prokaryotic cell?

 
 
 
 

60. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Which fixes atmospheric nitrogen?

 
 
 
 

66. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

71. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

73. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

80. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Iodine is obtained from:

 
 
 
 

84. The largest alga is:

 
 
 
 

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

 
 
 
 

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