Quiz_Algae

1. Water bloom is generally caused by :

 
 
 
 

2. Antibiotic has been extracted from :

 
 
 
 

3. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

5. The chloroplast in Ulothrix is :

 
 
 
 

6. Isomorphic type alternation of generation is found in:

 
 
 
 

7. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

9. What are Cyanobacteria?

 
 
 
 

10. The alga, Spirogyra are found in :

 
 
 
 

11. Water-net is the name of:

 
 
 
 

12. Most of the algae are :

 
 
 
 

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

 
 
 
 

14. Which of the following shows heterotrichous habit?

 
 
 
 

15. The flagella of Chlamydomonas are:

 
 
 
 

16. Which fixes atmospheric nitrogen?

 
 
 
 

17. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

27. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

28. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

30. All algae have:

 
 
 
 

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

 
 
 
 

32. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. The word “sea weeds” is used for:

 
 
 
 

37. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Iodine is obtained from :

 
 
 
 

42. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

44. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

46. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

48. The largest alga is:

 
 
 
 

49. Meiosis in Ulothrix takes place:

 
 
 
 

50. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

52. Mostly type of zygospore in Ulothrix is:

 
 
 
 

53. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

58. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Iodine is obtained from:

 
 
 
 

62. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

67. Asexual reproductive body of Volvox is called:

 
 
 
 

68. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Nannandria are:

 
 
 
 

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

 
 
 
 

76. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

78. Agar-agar is obtained from:

 
 
 
 

79. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

81. Which of the following is a parasitic algae?

 
 
 
 

82. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

84. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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