Quiz_Algae

1. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

3. The chloroplast of Chlamydomonas are:

 
 
 
 

4. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

6. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Water-net is the name of:

 
 
 
 

11. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Which of the following is a parasitic algae?

 
 
 
 

16. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

18. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

20. Water bloom is generally caused by :

 
 
 
 

21. Asexual reproductive body of Volvox is called:

 
 
 
 

22. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. The largest alga is:

 
 
 
 

26. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

27. Ectocarpus produces:

 
 
 
 

28. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

30. True sexuality is not found in:

 
 
 
 

31. All algae have:

 
 
 
 

32. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

46. Nannandria are:

 
 
 
 

47. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

49. The word “sea weeds” is used for:

 
 
 
 

50. Iodine is obtained from :

 
 
 
 

51. Heterocysts are found in :

 
 
 
 

52. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

54. Which group of algae have an incipient nucleus?

 
 
 
 

55. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

57. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

62. Agar-agar is obtained from:

 
 
 
 

63. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

65. The zoospores of Ulothrix are :

 
 
 
 

66. Which one of the following statement is wrong?

 
 
 
 

67. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

69. Iodine is obtained from:

 
 
 
 

70. Cap cells are found in the filament of:

 
 
 
 

71. Ulothrix produces :

 
 
 
 

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

 
 
 
 

73. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

75. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

83. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Choose the correct statement about Spirogyra: