Quiz_Algae

1. Cap cells are found in the filament of:

 
 
 
 

2. Each chloroplast in Spirogyra bears :

 
 
 
 

3. Which of the following shows heterotrichous habit?

 
 
 
 

4. Nannandria are:

 
 
 
 

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

 
 
 
 

6. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

8. True sexuality is not found in:

 
 
 
 

9. Which of the following is a parasitic algae?

 
 
 
 

10. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

12. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

17. The flagella of Chlamydomonas are:

 
 
 
 

18. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

24. Heterocysts are found in :

 
 
 
 

25. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

27. The word “sea weeds” is used for:

 
 
 
 

28. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

30. Heterotrichous habit means :

 
 
 
 

31. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

36. Ulothrix produces :

 
 
 
 

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

 
 
 
 

38. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Iodine is obtained from:

 
 
 
 

43. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

48. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Synzoospore is produced in:

 
 
 
 

53. Ectocarpus produces:

 
 
 
 

54. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

56. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

60. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

62. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

64. Most of the algae are :

 
 
 
 

65. Which of the following have algal zone?

 
 
 
 

66. Which of the following have a prokaryotic cell?

 
 
 
 

67. What are Cyanobacteria?

 
 
 
 

68. Spirogyra represents the :

 
 
 
 

69. Which fixes atmospheric nitrogen?

 
 
 
 

70. Asexual reproductive body of Volvox is called:

 
 
 
 

71. Water-net is the name of:

 
 
 
 

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

 
 
 
 

73. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

75. All algae have:

 
 
 
 

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

 
 
 
 

77. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

82. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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