Quiz_Algae

1. Among the algae kelps are :

 
 
 
 

2. Water bloom is generally caused by :

 
 
 
 

3. The chloroplast in Ulothrix is :

 
 
 
 

4. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Isomorphic type alternation of generation is found in:

 
 
 
 

10. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Mostly type of zygospore in Ulothrix is:

 
 
 
 

15. Iodine is obtained from :

 
 
 
 

16. Ulothrix produces :

 
 
 
 

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

 
 
 
 

18. The zoospores of Ulothrix are :

 
 
 
 

19. Each chloroplast in Spirogyra bears :

 
 
 
 

20. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

22. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

24. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. The flagella of Chlamydomonas are:

 
 
 
 

28. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. An alga which is rich in proteins:

 
 
 
 

34. Asexual reproductive body of Volvox is called:

 
 
 
 

35. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The chloroplast of Chlamydomonas are:

 
 
 
 

39. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Which of the following have a prokaryotic cell?

 
 
 
 

46. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

47. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Antibiotic has been extracted from :

 
 
 
 

51. The largest alga is:

 
 
 
 

52. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

54. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

56. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

61. The word “sea weeds” is used for:

 
 
 
 

62. Heterotrichous habit means :

 
 
 
 

63. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Ectocarpus produces:

 
 
 
 

69. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. One of the distinctive feature of Spirogyra is :

 
 
 
 

74. Which of the following shows heterotrichous habit?

 
 
 
 

75. All algae have:

 
 
 
 

76. Most of the algae are :

 
 
 
 

77. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

79. Redness of red sea is due to :

 
 
 
 

80. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

85. Water-net is the name of:

 
 
 
 

86. True sexuality is not found in: