Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Antibiotic has been extracted from :

 
 
 
 

4. True sexuality is not found in:

 
 
 
 

5. Cap cells are found in the filament of:

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

7. Mostly type of zygospore in Ulothrix is:

 
 
 
 

8. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

10. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Synzoospore is produced in:

 
 
 
 

15. Heterotrichous habit means :

 
 
 
 

16. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

21. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. An alga which is rich in proteins:

 
 
 
 

25. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. The chloroplast in Ulothrix is :

 
 
 
 

29. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

31. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. The largest alga is:

 
 
 
 

45. Meiosis in Ulothrix takes place:

 
 
 
 

46. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

47. Heterocysts are found in :

 
 
 
 

48. The chloroplast of Chlamydomonas are:

 
 
 
 

49. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

51. Which of the following have algal zone?

 
 
 
 

52. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

54. Nannandria are:

 
 
 
 

55. Which one of the following statement is wrong?

 
 
 
 

56. Most of the algae are :

 
 
 
 

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

 
 
 
 

58. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

59. Ectocarpus produces:

 
 
 
 

60. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

62. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

64. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

65. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

71. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

73. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

75. Iodine is obtained from :

 
 
 
 

76. Choose the correct statement about Spirogyra:

 
 
 
 

77. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Water-net is the name of:

 
 
 
 

81. Which group of algae have an incipient nucleus?

 
 
 
 

82. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

84. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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