Quiz_Algae

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

 
 
 
 

2. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Which of the following have a prokaryotic cell?

 
 
 
 

6. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. The chloroplast in Ulothrix is :

 
 
 
 

11. Water-net is the name of:

 
 
 
 

12. Which group of algae have an incipient nucleus?

 
 
 
 

13. Cap cells are found in the filament of:

 
 
 
 

14. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Ectocarpus produces:

 
 
 
 

19. Nannandria are:

 
 
 
 

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

 
 
 
 

21. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

23. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Mostly type of zygospore in Ulothrix is:

 
 
 
 

27. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

29. Which of the following shows heterotrichous habit?

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

32. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

34. One of the distinctive feature of Spirogyra is :

 
 
 
 

35. An alga which is rich in proteins:

 
 
 
 

36. Iodine is obtained from :

 
 
 
 

37. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

39. The chloroplast of Chlamydomonas are:

 
 
 
 

40. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

42. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

44. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

46. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

47. Which of the following is a parasitic algae?

 
 
 
 

48. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

50. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

52. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Iodine is obtained from:

 
 
 
 

56. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

58. Heterotrichous habit means :

 
 
 
 

59. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

61. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

63. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Ulothrix produces :

 
 
 
 

71. Each chloroplast in Spirogyra bears :

 
 
 
 

72. Most common type of conjugation in Spirogyra is :

 
 
 
 

73. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

79. Among the algae kelps are :

 
 
 
 

80. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

82. All algae have:

 
 
 
 

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

 
 
 
 

84. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

86. Meiosis in Ulothrix takes place: