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Karnataka Board PUCPUC Science Class 11

Which light range is least effective in photosynthesis? - Biology

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Question

Which light range is least effective in photosynthesis?

Options

  • Blue

  • Green

  • Red

  • Violet

MCQ
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Solution

Green

Explanation:

Because chlorophyll, the pigment involved in photosynthesis, is green (for the most part, there are other forms that are not green) and because it is green it reflects green wavelengths of light and does not absorb them.

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Site of Photosynthesis
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Chapter 13: Photosynthesis in Higher Plants - Exercises [Page 68]

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NCERT Exemplar Biology [English] Class 11
Chapter 13 Photosynthesis in Higher Plants
Exercises | Q 4. | Page 68

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