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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Arindam Paul posted an Question
June 02, 2021 • 18:48 pm
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30 points
30 points
- IIT JAM
- Biotechnology (BT)
The red sea which gets its names due to red color imparted by abundant growth of one of the following organisms a. prochlorococcus sp. b. trichodesmium erythrae
The red sea which gets its names due to red color imparted by abundant growth of one of the following organisms A. Prochlorococcus sp. B. Trichodesmium erythraeum C. Nostoc punctiforme D. Synechocystis sp. PCC6803
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Abhijeet Gaurav
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Correct Answer is option (B). Rea sea is located between the East African coast and the Saudi Arabian peninsula. It is the saltiest sea and connects to the ocean without any river meeting the sea. It is named so because of the abundant occurrence of red coloured planktonic cyanobacterium called Trichodesmium erythraeum. Thus, the correct answer is 'Red coloured planktonic cyanobacterium Trichodesmium erythraeum.'
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Priyanshu kumar
option B Explanation:- The Red Sea is named for an occasional bloom of the cyanobacteria, Trichodesmium erythraeum algae, which accumulates and muddies the usually translucent blue-green waters. These cyanobacteria appear as red and pinkish blankets on the surface of these waters.
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Dhanusha marimuthu nadar
Correct Answer:Option B. Explanation:- The abundant overgrowth of Blue green alga Trichodesmium erythraeum in a inlet of Indian Ocean between Africa and Asia creates a occasional bloom resulting into a red sea. The red colour is due to the presence of a pigment called phycoerythrin on it. Indeedly, it is due to the phenomenon called Gaidukov's phenomenon which means complementary chromatic adaptation. The Blue green algae(Cyanobacteria ) has this adaptation which changes their body colour according to different wavelengths of available light. Hence due to the adaption of this phenomenal changes in Cyanobacteria Trichodesmium erythraeum , it results into a red sea.