Quiz_Algae

1. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

3. Cap cells are found in the filament of:

 
 
 
 

4. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Iodine is obtained from :

 
 
 
 

10. Ulothrix produces :

 
 
 
 

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

 
 
 
 

12. The alga, Spirogyra are found in :

 
 
 
 

13. Isomorphic type alternation of generation is found in:

 
 
 
 

14. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

16. The word “sea weeds” is used for:

 
 
 
 

17. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

19. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. The chloroplast of Chlamydomonas are:

 
 
 
 

28. Iodine is obtained from:

 
 
 
 

29. Mostly type of zygospore in Ulothrix is:

 
 
 
 

30. Which of the following have a prokaryotic cell?

 
 
 
 

31. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

32. The zoospores of Ulothrix are :

 
 
 
 

33. Choose the correct statement about Spirogyra:

 
 
 
 

34. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Water-net is the name of:

 
 
 
 

50. Most of the algae are :

 
 
 
 

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

 
 
 
 

52. Which of the following have algal zone?

 
 
 
 

53. Spirogyra represents the :

 
 
 
 

54. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

56. Nannandria are:

 
 
 
 

57. All algae have:

 
 
 
 

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

 
 
 
 

59. Antibiotic has been extracted from :

 
 
 
 

60. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

62. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

64. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. The largest alga is:

 
 
 
 

69. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

71. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

73. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

75. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

77. The chloroplast in Ulothrix is :

 
 
 
 

78. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

80. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

82. One of the distinctive feature of Spirogyra is :

 
 
 
 

83. Asexual reproductive body of Volvox is called:

 
 
 
 

84. Which fixes atmospheric nitrogen?

 
 
 
 

85. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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