Question

give any 4 identifying features of spirogyra.

Answer 1

Spirogyra measures approximately 10 to 100μm in width and may stretch centimetres long. Each filament is unbranched and consists of cylindrical cells placed end to end. These cells have one or more beautiful spiral chloroplasts, so they appears dark green.

Answer 2

Answer:

Spirogyra is a filamentous green algae which is commonly known as water silk and blanket weed. It is found in fresh water such as ponds, diches and lakes. It measures 10 to 100 μm in width and can grow up to several centimeters in length.

identifying features of spirogyra are:

• It is a multi-cellular filamentous algae with mucilagenouus sheath
• It consists of spiral chloroplast
• Cell wall layer is made up of cellulose and pectin
• The chloroplast of spirogyra consists of pyrenoids
• Cytoplasm lie on the periphery of cell