The pyrenoids are made up of (a) proteinaceous centre and starchy sheath (b) core of nucleic acid surrounded by protein sheath (c) core of protein surrounded by fatty sheath (d) core of starch surrounded by sheath of protein.
Option A Pyrenoids are found in many bryophytes and algae. They are small, spherical bodies found in the cytoplasm of a plant cell. They are rich in proteins and are surrounded by a starch sheath.
