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JIPMER 2019
Exam
JIPMER
Year
2019
Subject
Botany
Chapter
Photosynthesis in Higher Plants

JIPMER 2019 · Botany · Photosynthesis in Higher Plants

Chl -b differs from chl -a by

Chl -b differs from chl -a by

Options

  1. A−CH3-\mathrm{CH}_3 group
  2. BCHO group
  3. CCOOH group
  4. DCH2OH\mathrm{CH}_2 \mathrm{OH} group

Correct answer

B. CHO group

Step-by-step solution

Chlorophyll-b structrally differs from chlorophyll-a by the presence of carbonyl (CHO) group at 3rd carbon in the prophyrin ring. chlorophyll-a possess methyl (CH3)\left(\mathrm{CH}_3\right) group in this place.
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