Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Most of the algae are :

 
 
 
 

7. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

9. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. An alga which is rich in proteins:

 
 
 
 

13. Ulothrix produces :

 
 
 
 

14. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

16. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

18. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

20. The chloroplast of Chlamydomonas are:

 
 
 
 

21. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

23. Which group of algae have an incipient nucleus?

 
 
 
 

24. The flagella of Chlamydomonas are:

 
 
 
 

25. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Asexual reproductive body of Volvox is called:

 
 
 
 

32. Among the algae kelps are :

 
 
 
 

33. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

34. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

41. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following shows heterotrichous habit?

 
 
 
 

45. Redness of red sea is due to :

 
 
 
 

46. Iodine is obtained from :

 
 
 
 

47. Water-net is the name of:

 
 
 
 

48. Meiosis in Ulothrix takes place:

 
 
 
 

49. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Isomorphic type alternation of generation is found in:

 
 
 
 

53. Spirogyra represents the :

 
 
 
 

54. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

56. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. All algae have:

 
 
 
 

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

 
 
 
 

61. The word “sea weeds” is used for:

 
 
 
 

62. Which one of the following statement is wrong?

 
 
 
 

63. The largest alga is:

 
 
 
 

64. Water bloom is generally caused by :

 
 
 
 

65. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which of the following is a parasitic algae?

 
 
 
 

71. Nannandria are:

 
 
 
 

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

 
 
 
 

73. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Ectocarpus produces:

 
 
 
 

84. Choose the correct statement about Spirogyra:

 
 
 
 

85. One of the distinctive feature of Spirogyra is :

 
 
 
 

86. Which of the following have algal zone?