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NEET Class neet Answered

⭕️If reason is correct explanation of assertion,...Then why not answer is option a ☢️【Given answer is option b】 ⭕️ Refer to attachment ⭕️ Thanks!! ☺️
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Asked by jhajuhi19 | 13 Jul, 2019, 09:03: AM
answered-by-expert Expert Answer
  • Red algae or rhodophytes are red because of the presence of the pigment phycoerythrin.
  • This pigment reflects red light and absorbs blue light. 
  • Because blue light penetrates water to a greater depth than light of longer wavelengths, these pigments allow red algae to photosynthesize and live at somewhat greater depths than most other algae. 
  • SomRe rhodophytes have very little phycoerythrin, and may appear green or bluish from the chlorophyll and other pigments present in them.
  • Thus, the given reason is the correct explanation of the given assertion.
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