Quiz_Algae

1. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

3. Meiosis in Ulothrix takes place:

 
 
 
 

4. Nannandria are:

 
 
 
 

5. The alga, Spirogyra are found in :

 
 
 
 

6. The largest alga is:

 
 
 
 

7. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Choose the correct statement about Spirogyra:

 
 
 
 

14. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

15. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

17. The flagella of Chlamydomonas are:

 
 
 
 

18. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

20. Which of the following have algal zone?

 
 
 
 

21. An alga which is rich in proteins:

 
 
 
 

22. Ulothrix produces :

 
 
 
 

23. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Water bloom is generally caused by :

 
 
 
 

32. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

34. Heterocysts are found in :

 
 
 
 

35. Ectocarpus produces:

 
 
 
 

36. Mostly type of zygospore in Ulothrix is:

 
 
 
 

37. Most common type of conjugation in Spirogyra is :

 
 
 
 

38. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

40. The zoospores of Ulothrix are :

 
 
 
 

41. Among the algae kelps are :

 
 
 
 

42. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

44. Redness of red sea is due to :

 
 
 
 

45. Which fixes atmospheric nitrogen?

 
 
 
 

46. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

54. The chloroplast in Ulothrix is :

 
 
 
 

55. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

57. Most of the algae are :

 
 
 
 

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

 
 
 
 

59. Agar-agar is obtained from:

 
 
 
 

60. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

62. Which one of the following statement is wrong?

 
 
 
 

63. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

65. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

67. Heterotrichous habit means :

 
 
 
 

68. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

70. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

71. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Iodine is obtained from:

 
 
 
 

78. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

84. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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