Quiz_Algae

1. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. The chloroplast of Chlamydomonas are:

 
 
 
 

14. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Agar-agar is obtained from:

 
 
 
 

18. Cap cells are found in the filament of:

 
 
 
 

19. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

21. Spirogyra represents the :

 
 
 
 

22. Nannandria are:

 
 
 
 

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

 
 
 
 

24. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

26. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

28. Most of the algae are :

 
 
 
 

29. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

37. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

39. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

41. The zoospores of Ulothrix are :

 
 
 
 

42. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Heterotrichous habit means :

 
 
 
 

48. Iodine is obtained from:

 
 
 
 

49. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. The largest alga is:

 
 
 
 

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

 
 
 
 

57. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

59. Which of the following is a parasitic algae?

 
 
 
 

60. Which one of the following statement is wrong?

 
 
 
 

61. Antibiotic has been extracted from :

 
 
 
 

62. Ectocarpus produces:

 
 
 
 

63. Synzoospore is produced in:

 
 
 
 

64. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

65. One of the distinctive feature of Spirogyra is :

 
 
 
 

66. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

72. Which of the following have a prokaryotic cell?

 
 
 
 

73. Water bloom is generally caused by :

 
 
 
 

74. Ulothrix produces :

 
 
 
 

75. The flagella of Chlamydomonas are:

 
 
 
 

76. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

77. Asexual reproductive body of Volvox is called:

 
 
 
 

78. Each chloroplast in Spirogyra bears :

 
 
 
 

79. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

81. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

86. Which fixes atmospheric nitrogen?