Quiz_Algae

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

 
 
 
 

2. The word “sea weeds” is used for:

 
 
 
 

3. The zoospores of Ulothrix are :

 
 
 
 

4. An alga which is rich in proteins:

 
 
 
 

5. Which of the following shows heterotrichous habit?

 
 
 
 

6. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. The largest alga is:

 
 
 
 

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

 
 
 
 

12. Ectocarpus produces:

 
 
 
 

13. Which one of the following statement is wrong?

 
 
 
 

14. The chloroplast in Ulothrix is :

 
 
 
 

15. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. All algae have:

 
 
 
 

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

 
 
 
 

26. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Water bloom is generally caused by :

 
 
 
 

30. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

32. Which of the following have algal zone?

 
 
 
 

33. Mostly type of zygospore in Ulothrix is:

 
 
 
 

34. Iodine is obtained from:

 
 
 
 

35. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

37. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. The alga, Spirogyra are found in :

 
 
 
 

46. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Each chloroplast in Spirogyra bears :

 
 
 
 

51. Cap cells are found in the filament of:

 
 
 
 

52. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

54. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. What are Cyanobacteria?

 
 
 
 

58. Water-net is the name of:

 
 
 
 

59. Spirogyra represents the :

 
 
 
 

60. Nannandria are:

 
 
 
 

61. Which of the following is a parasitic algae?

 
 
 
 

62. Most common type of conjugation in Spirogyra is :

 
 
 
 

63. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

65. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

67. The flagella of Chlamydomonas are:

 
 
 
 

68. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

70. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

71. Asexual reproductive body of Volvox is called:

 
 
 
 

72. Redness of red sea is due to :

 
 
 
 

73. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Iodine is obtained from :

 
 
 
 

85. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

86. Ulothrix produces :