Quiz_Algae

1. Mostly type of zygospore in Ulothrix is:

 
 
 
 

2. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

7. Most of the algae are :

 
 
 
 

8. True sexuality is not found in:

 
 
 
 

9. Heterotrichous habit means :

 
 
 
 

10. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

16. Which of the following have algal zone?

 
 
 
 

17. The largest alga is:

 
 
 
 

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

 
 
 
 

19. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. The word “sea weeds” is used for:

 
 
 
 

33. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

39. Antibiotic has been extracted from :

 
 
 
 

40. Which of the following is a parasitic algae?

 
 
 
 

41. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Nannandria are:

 
 
 
 

45. Ectocarpus produces:

 
 
 
 

46. Water bloom is generally caused by :

 
 
 
 

47. Which fixes atmospheric nitrogen?

 
 
 
 

48. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

53. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

54. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

55. Ulothrix produces :

 
 
 
 

56. Meiosis in Ulothrix takes place:

 
 
 
 

57. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

62. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. All algae have:

 
 
 
 

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

 
 
 
 

70. Which one of the following statement is wrong?

 
 
 
 

71. Most common type of conjugation in Spirogyra is :

 
 
 
 

72. Which of the following have a prokaryotic cell?

 
 
 
 

73. One of the distinctive feature of Spirogyra is :

 
 
 
 

74. Water-net is the name of:

 
 
 
 

75. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

80. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

82. The chloroplast of Chlamydomonas are:

 
 
 
 

83. Asexual reproductive body of Volvox is called:

 
 
 
 

84. Spirogyra represents the :

 
 
 
 

85. The flagella of Chlamydomonas are:

 
 
 
 

86. Isomorphic type alternation of generation is found in: