Quiz_Algae

1. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

4. Each chloroplast in Spirogyra bears :

 
 
 
 

5. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

7. One of the distinctive feature of Spirogyra is :

 
 
 
 

8. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. The zoospores of Ulothrix are :

 
 
 
 

12. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

14. Which of the following have algal zone?

 
 
 
 

15. Water-net is the name of:

 
 
 
 

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

 
 
 
 

17. Spirogyra represents the :

 
 
 
 

18. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

20. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Cap cells are found in the filament of:

 
 
 
 

25. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Asexual reproductive body of Volvox is called:

 
 
 
 

29. Nannandria are:

 
 
 
 

30. Which group of algae have an incipient nucleus?

 
 
 
 

31. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

33. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

35. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

37. Ectocarpus produces:

 
 
 
 

38. The word “sea weeds” is used for:

 
 
 
 

39. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

41. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

42. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

44. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Antibiotic has been extracted from :

 
 
 
 

48. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

55. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

57. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

62. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

64. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

66. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

68. Agar-agar is obtained from:

 
 
 
 

69. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

71. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

73. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Heterocysts are found in :

 
 
 
 

81. The flagella of Chlamydomonas are:

 
 
 
 

82. The chloroplast in Ulothrix is :

 
 
 
 

83. Meiosis in Ulothrix takes place:

 
 
 
 

84. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

86. Most of the algae are :