Quiz_Algae

1. Heterocysts are found in :

 
 
 
 

2. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Water bloom is generally caused by :

 
 
 
 

6. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

11. Which of the following shows heterotrichous habit?

 
 
 
 

12. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Which of the following is a parasitic algae?

 
 
 
 

20. Synzoospore is produced in:

 
 
 
 

21. Asexual reproductive body of Volvox is called:

 
 
 
 

22. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. What are Cyanobacteria?

 
 
 
 

31. The alga, Spirogyra are found in :

 
 
 
 

32. One of the distinctive feature of Spirogyra is :

 
 
 
 

33. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

42. Agar-agar is obtained from:

 
 
 
 

43. Mostly type of zygospore in Ulothrix is:

 
 
 
 

44. Cap cells are found in the filament of:

 
 
 
 

45. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

47. All algae have:

 
 
 
 

48. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. An alga which is rich in proteins:

 
 
 
 

52. Meiosis in Ulothrix takes place:

 
 
 
 

53. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

55. Each chloroplast in Spirogyra bears :

 
 
 
 

56. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

57. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

59. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

60. The zoospores of Ulothrix are :

 
 
 
 

61. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Iodine is obtained from:

 
 
 
 

66. Isomorphic type alternation of generation is found in:

 
 
 
 

67. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

69. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

71. Which group of algae have an incipient nucleus?

 
 
 
 

72. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. The largest alga is:

 
 
 
 

77. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

79. Redness of red sea is due to :

 
 
 
 

80. Spirogyra represents the :

 
 
 
 

81. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

83. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

85. Which of the following have a prokaryotic cell?

 
 
 
 

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