Question

Which type of chloroplast does spirogyra has and which organelle present in spirogyra supports its nucleus?

Answer 1

The chloroplast of Spirogyra is a long, spirally coiled ribbon shaped with pyrenoids. Pyrenoids are protein containing structures, which store starch around them and arranged in a single series in the mid axial line of chloroplast.

Their protoplast consists of a single nucleus, a mass of cytoplasm, chloroplast and a large central vacuole.

The nucleus is present in the center. It is suspended by strands of cytoplasm. In some cases, it may parietal in position. it has a complex nucleolus.