Quiz_Algae

1. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Which of the following have a prokaryotic cell?

 
 
 
 

6. Most of the algae are :

 
 
 
 

7. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

9. The chloroplast of Chlamydomonas are:

 
 
 
 

10. Among the algae kelps are :

 
 
 
 

11. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

13. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

15. Mostly type of zygospore in Ulothrix is:

 
 
 
 

16. One of the distinctive feature of Spirogyra is :

 
 
 
 

17. Asexual reproductive body of Volvox is called:

 
 
 
 

18. The zoospores of Ulothrix are :

 
 
 
 

19. Ulothrix produces :

 
 
 
 

20. The chloroplast in Ulothrix is :

 
 
 
 

21. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Iodine is obtained from :

 
 
 
 

25. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

33. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

35. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

37. Ectocarpus produces:

 
 
 
 

38. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Synzoospore is produced in:

 
 
 
 

42. The alga, Spirogyra are found in :

 
 
 
 

43. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

45. Cap cells are found in the filament of:

 
 
 
 

46. Iodine is obtained from:

 
 
 
 

47. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Isomorphic type alternation of generation is found in:

 
 
 
 

55. Which one of the following statement is wrong?

 
 
 
 

56. Redness of red sea is due to :

 
 
 
 

57. What are Cyanobacteria?

 
 
 
 

58. The largest alga is:

 
 
 
 

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

 
 
 
 

60. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

62. Meiosis in Ulothrix takes place:

 
 
 
 

63. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which group of algae have an incipient nucleus?

 
 
 
 

67. Spirogyra represents the :

 
 
 
 

68. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Which of the following is a parasitic algae?

 
 
 
 

72. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Which of the following have algal zone?

 
 
 
 

82. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

84. All algae have:

 
 
 
 

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

 
 
 
 

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