Quiz_Algae

1. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. The word “sea weeds” is used for:

 
 
 
 

5. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

6. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Each chloroplast in Spirogyra bears :

 
 
 
 

12. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

14. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

15. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

20. The largest alga is:

 
 
 
 

21. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Ectocarpus produces:

 
 
 
 

25. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. What are Cyanobacteria?

 
 
 
 

29. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

31. Cap cells are found in the filament of:

 
 
 
 

32. Agar-agar is obtained from:

 
 
 
 

33. Nannandria are:

 
 
 
 

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

 
 
 
 

35. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

36. The chloroplast in Ulothrix is :

 
 
 
 

37. Heterotrichous habit means :

 
 
 
 

38. Iodine is obtained from :

 
 
 
 

39. Synzoospore is produced in:

 
 
 
 

40. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

42. True sexuality is not found in:

 
 
 
 

43. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

45. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

47. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

49. Heterocysts are found in :

 
 
 
 

50. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

52. An alga which is rich in proteins:

 
 
 
 

53. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

61. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. One of the distinctive feature of Spirogyra is :

 
 
 
 

67. Which of the following is a parasitic algae?

 
 
 
 

68. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Iodine is obtained from:

 
 
 
 

73. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

81. Water-net is the name of:

 
 
 
 

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

 
 
 
 

83. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

85. Which of the following have algal zone?

 
 
 
 

86. Choose the correct statement about Spirogyra: