Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. All algae have:

 
 
 
 

7. Spirogyra represents the :

 
 
 
 

8. Which group of algae have an incipient nucleus?

 
 
 
 

9. Choose the correct statement about Spirogyra:

 
 
 
 

10. Which of the following have a prokaryotic cell?

 
 
 
 

11. Antibiotic has been extracted from :

 
 
 
 

12. Among the algae kelps are :

 
 
 
 

13. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Water bloom is generally caused by :

 
 
 
 

22. The word “sea weeds” is used for:

 
 
 
 

23. Isomorphic type alternation of generation is found in:

 
 
 
 

24. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. An alga which is rich in proteins:

 
 
 
 

29. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

36. Synzoospore is produced in:

 
 
 
 

37. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

38. Water-net is the name of:

 
 
 
 

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

 
 
 
 

40. Meiosis in Ulothrix takes place:

 
 
 
 

41. Cap cells are found in the filament of:

 
 
 
 

42. Which of the following shows heterotrichous habit?

 
 
 
 

43. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

45. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

46. Which of the following is a parasitic algae?

 
 
 
 

47. The flagella of Chlamydomonas are:

 
 
 
 

48. What are Cyanobacteria?

 
 
 
 

49. Which of the following have algal zone?

 
 
 
 

50. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Iodine is obtained from :

 
 
 
 

58. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Ulothrix produces :

 
 
 
 

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

 
 
 
 

63. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

68. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

70. Asexual reproductive body of Volvox is called:

 
 
 
 

71. Nannandria are:

 
 
 
 

72. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. The largest alga is:

 
 
 
 

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

 
 
 
 

79. One of the distinctive feature of Spirogyra is :

 
 
 
 

80. Heterotrichous habit means :

 
 
 
 

81. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

83. Which fixes atmospheric nitrogen?

 
 
 
 

84. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

86. Which one of the following statement is wrong?