MCQOPTIONS
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MCQOPTIONS
This section includes 84 Mcqs, each offering curated multiple-choice questions to sharpen your Algae knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Smallest plant which contain green pigment such as higher green plant is |
| A. | Schizomycetes |
| B. | Rhodophyceae |
| C. | Chlorophyceae |
| D. | Phaeophyceae |
| Answer» D. Phaeophyceae | |
| 52. |
Which of the following is obtained from algae |
| A. | Wax |
| B. | Butter |
| C. | Chocolate |
| D. | Carragenin |
| Answer» E. | |
| 53. |
Brown algae is characterised by the presence of |
| A. | Phycocyanin |
| B. | Phycoerythrin |
| C. | Fucoxanthin |
| D. | Haematochrome |
| Answer» D. Haematochrome | |
| 54. |
The element present in thyroxin is obtained from |
| A. | Laminaria |
| B. | Polysiphonia |
| C. | Porphyra |
| D. | Gelidium |
| Answer» B. Polysiphonia | |
| 55. |
In oogamy, fertilization involves |
| A. | A large non-motile female gamete and a small non-motile male gamete |
| B. | A large motile female gamete and a small non-motile male gamete |
| C. | A small non-motile female gamete and a large motile male gamete |
| D. | A large non-motile female gamete and a small motile male gamete |
| Answer» E. | |
| 56. |
Batrachospermum is found in |
| A. | Marine water |
| B. | Fresh water |
| C. | Tree |
| D. | Arctic zone |
| Answer» C. Tree | |
| 57. |
Agar agar is obtained from |
| A. | Green algae |
| B. | Red algae |
| C. | Brown algae |
| D. | Blue green algae |
| Answer» C. Brown algae | |
| 58. |
The thallus of Volvox is called |
| A. | Trichome |
| B. | Coenobium |
| C. | Coenocyte |
| D. | Parenchymatous |
| Answer» C. Coenocyte | |
| 59. |
Sea weeds are important source of |
| A. | Chlorine |
| B. | Fluorine |
| C. | Iodine |
| D. | Bromine |
| Answer» B. Fluorine | |
| 60. |
Pyrenoids are the centre of formation of |
| A. | Enzymes |
| B. | Proteins |
| C. | Fats |
| D. | Starch |
| Answer» E. | |
| 61. |
Which one of the following statements concerning the algae is wrong |
| A. | Most algae are photosynthetic |
| B. | Algae can be classified according to their pigments |
| C. | All algae are filamentous |
| D. | Spirogyra does not produce zoospores |
| Answer» D. Spirogyra does not produce zoospores | |
| 62. |
The non-motile, greatly thickened asexual spores are called |
| A. | Hypnospores |
| B. | Aplanospores |
| C. | Macrozoospores |
| D. | Microzoospores |
| Answer» B. Aplanospores | |
| 63. |
An example of agarophyte is |
| A. | Dictyota |
| B. | Fucus |
| C. | Nostoc |
| D. | Gelidium |
| Answer» E. | |
| 64. |
In biotechnological studies, the alga that is exploited as a rich source of protein is |
| A. | Spirogyra |
| B. | Spirulina |
| C. | Chlamydomonas |
| D. | Scytonema |
| Answer» C. Chlamydomonas | |
| 65. |
Algae which form motile colony is |
| A. | Volvax |
| B. | Nostoc |
| C. | Spirogyra |
| D. | Chlamydomonas |
| Answer» B. Nostoc | |
| 66. |
More than one pyrenoid are present in |
| A. | Ulothrix |
| B. | Spirogyra |
| C. | Oedogonium |
| D. | All the above |
| Answer» E. | |
| 67. |
Algal cell wall is composed of |
| A. | Chitin |
| B. | Cutin |
| C. | Cellulose |
| D. | Suberin |
| Answer» D. Suberin | |
| 68. |
Which one is a parasitic algae |
| A. | Vaucheria |
| B. | Polysiphonia |
| C. | Cephaleuros |
| D. | Batrachospermum |
| Answer» D. Batrachospermum | |
| 69. |
Sporophytic generation is represented by zygote only in |
| A. | Funaria |
| B. | Chlamydomonas |
| C. | Pinus |
| D. | Selaginella |
| Answer» C. Pinus | |
| 70. |
Red eye spot containing haematochrome is meant for |
| A. | |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» D. D. | |
| 71. |
Zygospore is |
| A. | Haploid |
| B. | Polyploid |
| C. | Diploid |
| D. | None of the above |
| Answer» D. None of the above | |
| 72. |
Palmella stage is produced |
| A. | In rainy season |
| B. | During unfavourable conditions |
| C. | During favourable conditions |
| D. | None of the above |
| Answer» C. During favourable conditions | |
| 73. |
A filament of an alga can be differentiated from that of a fungus by |
| A. | Cells are uninucleate in algae whereas they are multinucleate in fungi |
| B. | Chlorophyll present in algae and absent in fungi |
| C. | The presence of cellulose cell wall and chlorophyllous cells in algae while chitinous cell wall and non-chlorophyllous cells in fungi |
| D. | The algae are green and fungi are non-green |
| Answer» D. The algae are green and fungi are non-green | |
| 74. |
Alga rich in protein is |
| A. | Chlorella |
| B. | Spirogyra |
| C. | Oscillatoria |
| D. | Ulothrix |
| Answer» B. Spirogyra | |
| 75. |
Algae are in the same major group of plants as are the |
| A. | Mosses |
| B. | Liverworts |
| C. | Fungi |
| D. | Ferns |
| Answer» D. Ferns | |
| 76. |
Algae are important, we should study algae because |
| A. | They are good organisms to experiment with |
| B. | They can be grown in large tank cultures |
| C. | They may form important constituent of human food (diet) in future |
| D. | They produce oxygen and organic acids |
| Answer» D. They produce oxygen and organic acids | |
| 77. |
Rhodophyceae is red coloured due to |
| A. | Xanthophyll |
| B. | Carotenoids |
| C. | phycoerythrin |
| D. | phycocyanin |
| Answer» D. phycocyanin | |
| 78. |
The simplest green plants are |
| A. | Yeast |
| B. | Bacteria |
| C. | Algae |
| D. | Lactobacillus |
| Answer» D. Lactobacillus | |
| 79. |
In the Chlorophyta, the reserve food of protein surrounded by starch, form a compact body termed |
| A. | Paramylum |
| B. | Pyrenoid |
| C. | Volutin |
| D. | Eye spot |
| Answer» C. Volutin | |
| 80. |
Thallophyta includes |
| A. | Fungi and bryophyta |
| B. | Algae and bryophyta |
| C. | Algae, fungi and bryophyta |
| D. | Algae and fungi |
| Answer» E. | |
| 81. |
Meiotic division in zygote takes place in |
| A. | Thallophyta |
| B. | Angiosperms |
| C. | Gymnosperms |
| D. | Pteridophyta |
| Answer» B. Angiosperms | |
| 82. |
Most primitive members of the plant kingdom are |
| A. | Thallophytes |
| B. | Bryophytes |
| C. | Pteridophytes |
| D. | Gymnosperms |
| Answer» B. Bryophytes | |
| 83. |
Sex organs of thallophytes are generally |
| A. | Unicellular |
| B. | Multicellular surrounded by a sterile jacket |
| C. | Multicellular but not surrounded by any jacket |
| D. | Unicellular with a sterile jacket |
| Answer» B. Multicellular surrounded by a sterile jacket | |
| 84. |
Thallophytes are |
| A. | Always autotrophic |
| B. | Always heterotrophic |
| C. | Both (a) and (b) |
| D. | None of the above |
| Answer» D. None of the above | |