Quiz_Algae

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

 
 
 
 

2. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

4. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

6. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which of the following shows heterotrichous habit?

 
 
 
 

10. Spirogyra represents the :

 
 
 
 

11. Iodine is obtained from :

 
 
 
 

12. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

19. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

20. Nannandria are:

 
 
 
 

21. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. The chloroplast of Chlamydomonas are:

 
 
 
 

26. Antibiotic has been extracted from :

 
 
 
 

27. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

28. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Which of the following have algal zone?

 
 
 
 

32. Water bloom is generally caused by :

 
 
 
 

33. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Most of the algae are :

 
 
 
 

38. Meiosis in Ulothrix takes place:

 
 
 
 

39. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Among the algae kelps are :

 
 
 
 

46. Mostly type of zygospore in Ulothrix is:

 
 
 
 

47. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

52. Cap cells are found in the filament of:

 
 
 
 

53. One of the distinctive feature of Spirogyra is :

 
 
 
 

54. Synzoospore is produced in:

 
 
 
 

55. Each chloroplast in Spirogyra bears :

 
 
 
 

56. Which group of algae have an incipient nucleus?

 
 
 
 

57. The largest alga is:

 
 
 
 

58. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Ectocarpus produces:

 
 
 
 

62. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

64. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

66. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

72. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

73. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

78. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

84. The flagella of Chlamydomonas are:

 
 
 
 

85. Which fixes atmospheric nitrogen?

 
 
 
 

86. Which of the following have a prokaryotic cell?