Quiz_Algae

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

 
 
 
 

2. The largest alga is:

 
 
 
 

3. Cap cells are found in the filament of:

 
 
 
 

4. Heterotrichous habit means :

 
 
 
 

5. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

7. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

9. Redness of red sea is due to :

 
 
 
 

10. Which of the following have a prokaryotic cell?

 
 
 
 

11. Water bloom is generally caused by :

 
 
 
 

12. Mostly type of zygospore in Ulothrix is:

 
 
 
 

13. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

15. Each chloroplast in Spirogyra bears :

 
 
 
 

16. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Heterocysts are found in :

 
 
 
 

24. True sexuality is not found in:

 
 
 
 

25. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

31. Most of the algae are :

 
 
 
 

32. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

34. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

36. The chloroplast in Ulothrix is :

 
 
 
 

37. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Asexual reproductive body of Volvox is called:

 
 
 
 

41. Iodine is obtained from:

 
 
 
 

42. Water-net is the name of:

 
 
 
 

43. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Isomorphic type alternation of generation is found in:

 
 
 
 

51. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Which of the following is a parasitic algae?

 
 
 
 

55. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

57. All algae have:

 
 
 
 

58. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

60. Nannandria are:

 
 
 
 

61. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

63. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Spirogyra represents the :

 
 
 
 

68. The chloroplast of Chlamydomonas are:

 
 
 
 

69. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. The flagella of Chlamydomonas are:

 
 
 
 

73. The alga, Spirogyra are found in :

 
 
 
 

74. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

76. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

82. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Agar-agar is obtained from:

 
 
 
 

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