Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Which of the following shows heterotrichous habit?

 
 
 
 

4. Which one of the following statement is wrong?

 
 
 
 

5. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

7. The zoospores of Ulothrix are :

 
 
 
 

8. Which of the following have algal zone?

 
 
 
 

9. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

11. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Agar-agar is obtained from:

 
 
 
 

17. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

19. Antibiotic has been extracted from :

 
 
 
 

20. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

22. What are Cyanobacteria?

 
 
 
 

23. All algae have:

 
 
 
 

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

 
 
 
 

25. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

27. The chloroplast in Ulothrix is :

 
 
 
 

28. The chloroplast of Chlamydomonas are:

 
 
 
 

29. Which fixes atmospheric nitrogen?

 
 
 
 

30. Asexual reproductive body of Volvox is called:

 
 
 
 

31. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

39. Most of the algae are :

 
 
 
 

40. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Iodine is obtained from:

 
 
 
 

48. The largest alga is:

 
 
 
 

49. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

51. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Spirogyra represents the :

 
 
 
 

55. Choose the correct statement about Spirogyra:

 
 
 
 

56. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

57. Heterocysts are found in :

 
 
 
 

58. Isomorphic type alternation of generation is found in:

 
 
 
 

59. Synzoospore is produced in:

 
 
 
 

60. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

62. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Water bloom is generally caused by :

 
 
 
 

71. The alga, Spirogyra are found in :

 
 
 
 

72. Nannandria are:

 
 
 
 

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

 
 
 
 

74. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

76. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Water-net is the name of:

 
 
 
 

80. Meiosis in Ulothrix takes place:

 
 
 
 

81. Which group of algae have an incipient nucleus?

 
 
 
 

82. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. An alga which is rich in proteins: