Quiz_Algae

1. Antibiotic has been extracted from :

 
 
 
 

2. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

11. Ulothrix produces :

 
 
 
 

12. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Most of the algae are :

 
 
 
 

16. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

18. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

23. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

25. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

26. Ectocarpus produces:

 
 
 
 

27. Water bloom is generally caused by :

 
 
 
 

28. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

30. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

32. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Synzoospore is produced in:

 
 
 
 

38. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

40. Which of the following shows heterotrichous habit?

 
 
 
 

41. Isomorphic type alternation of generation is found in:

 
 
 
 

42. Heterotrichous habit means :

 
 
 
 

43. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

45. An alga which is rich in proteins:

 
 
 
 

46. The largest alga is:

 
 
 
 

47. Agar-agar is obtained from:

 
 
 
 

48. Nannandria are:

 
 
 
 

49. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

54. What are Cyanobacteria?

 
 
 
 

55. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

57. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

58. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

60. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

62. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

68. Which of the following have algal zone?

 
 
 
 

69. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

71. The alga, Spirogyra are found in :

 
 
 
 

72. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Heterocysts are found in :

 
 
 
 

80. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

85. The zoospores of Ulothrix are :

 
 
 
 

86. Asexual reproductive body of Volvox is called: