A) One chloroplast and one pyrenoid
B) One or more chloroplast, each with one pyrenoid
C) One or more chloroplast, each with many pyrenoids
D) None of the above
Correct Answer: C
Solution :
Spirogyra cell contain one (e.g., S. sahnii) to more (sixteen in S. rectispora) ribbon-shaped spirally coiled chloroplasts (wavy margin) each with a row of many pyrenoids (seat of synthesis and storage of starch). Connected together by a narrow ridge.
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