Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The chloroplast in Ulothrix is :

 
 
 
 

6. Water bloom is generally caused by :

 
 
 
 

7. Each chloroplast in Spirogyra bears :

 
 
 
 

8. Water-net is the name of:

 
 
 
 

9. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Ulothrix produces :

 
 
 
 

14. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

16. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

18. Synzoospore is produced in:

 
 
 
 

19. Which fixes atmospheric nitrogen?

 
 
 
 

20. The zoospores of Ulothrix are :

 
 
 
 

21. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

23. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

25. Isomorphic type alternation of generation is found in:

 
 
 
 

26. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

28. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Iodine is obtained from :

 
 
 
 

36. All algae have:

 
 
 
 

37. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

38. Spirogyra represents the :

 
 
 
 

39. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

41. True sexuality is not found in:

 
 
 
 

42. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Nannandria are:

 
 
 
 

51. Ectocarpus produces:

 
 
 
 

52. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

54. An alga which is rich in proteins:

 
 
 
 

55. Redness of red sea is due to :

 
 
 
 

56. Asexual reproductive body of Volvox is called:

 
 
 
 

57. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

63. Meiosis in Ulothrix takes place:

 
 
 
 

64. Most of the algae are :

 
 
 
 

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

 
 
 
 

66. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

68. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

70. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

72. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

74. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

79. The word “sea weeds” is used for:

 
 
 
 

80. Agar-agar is obtained from:

 
 
 
 

81. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

83. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

85. Most common type of conjugation in Spirogyra is :

 
 
 
 

86. Which group of algae have an incipient nucleus?