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The first action spectrum of photosynthesis which was described by Engelmann was related
Options
(a) Algae
(b) Mint plant
(c) Bacteria
(d) Bryophytes
Correct Answer:
Algae
Explanation:
Algae (Cladophora). TW Engelmann (1843-1909) did an interesting experiment using a prism. He split light into its spectral components and then illuminated a green alga, Cladophora, planced in a suspension of aerobic bacteria. The bacteria were used to find the sites of O₂ evolution. He noticed that the bacteria accumulated mainly in the region of blue and red light of the split spectrum. A first action spectrum of photosynthesis was thus described.
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Topics: Photosynthesis in Higher Plants
(153)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In urinary system, aldosterone takes part in retention (reabsorpation) of
- Earth originated approximately
- The maintenance of internal favourable conditions by a self regulated mechanism
- The lowest water potential is found in
- Rhododendron is characteristic of vegetation of
Topics: Photosynthesis in Higher Plants (153)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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