Quiz_Algae

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

 
 
 
 

2. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Heterotrichous habit means :

 
 
 
 

13. Which of the following shows heterotrichous habit?

 
 
 
 

14. Synzoospore is produced in:

 
 
 
 

15. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

17. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

19. Ulothrix produces :

 
 
 
 

20. Among the algae kelps are :

 
 
 
 

21. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Asexual reproductive body of Volvox is called:

 
 
 
 

25. Which of the following is a parasitic algae?

 
 
 
 

26. Which of the following have algal zone?

 
 
 
 

27. Nannandria are:

 
 
 
 

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

 
 
 
 

29. What are Cyanobacteria?

 
 
 
 

30. Each chloroplast in Spirogyra bears :

 
 
 
 

31. Which fixes atmospheric nitrogen?

 
 
 
 

32. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The largest alga is:

 
 
 
 

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

 
 
 
 

37. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

42. Which group of algae have an incipient nucleus?

 
 
 
 

43. Agar-agar is obtained from:

 
 
 
 

44. Redness of red sea is due to :

 
 
 
 

45. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Most common type of conjugation in Spirogyra is :

 
 
 
 

54. Spirogyra represents the :

 
 
 
 

55. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

56. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

58. Antibiotic has been extracted from :

 
 
 
 

59. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Water-net is the name of:

 
 
 
 

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

 
 
 
 

64. Ectocarpus produces:

 
 
 
 

65. Which one of the following statement is wrong?

 
 
 
 

66. The chloroplast in Ulothrix is :

 
 
 
 

67. The alga, Spirogyra are found in :

 
 
 
 

68. The chloroplast of Chlamydomonas are:

 
 
 
 

69. All algae have:

 
 
 
 

70. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

82. One of the distinctive feature of Spirogyra is :

 
 
 
 

83. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

85. True sexuality is not found in:

 
 
 
 

86. An alga which is rich in proteins: