Question

Pyrenoids are made up of

• A. Core of starch surrounded by sheath of protein
• B. Proteinaceous centre and starchy sheath
• C. Core of protein surrounded by fatty sheath
• D. Core of nucleic acid surrounded by protein sheath

Answer 1

The correct option is B Proteinaceous centre and starchy sheath

Pyrenoids are commonly present in the chloroplasts of many algae and also in the bryophyte. These are composed of a granular, homogeneous matrix around which starch deposits are found. They are associated with the operation of a carbon-concentrating mechanism (CCM). Thus the correct answer is option B.