Which class of algae stores food in the form of laminarin?
Members of Phaeophyceae (brown algae) store food in the form of laminarin and mannitol.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Algae - Phaeophyceae and Rhodophyceae
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Which of the following statements about Phaeophyceae is correct?
The color of Phaeophyceae varies from olive green to brown due to the presence of fucoxanthin.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Algae - Phaeophyceae and Rhodophyceae
Which class of algae has a cell wall with algin and cellulose?
Phaeophyceae (brown algae) have cell walls made of cellulose and algin, a hydrocolloid.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Algae - Phaeophyceae and Rhodophyceae
Which class of algae has cell walls made of cellulose and pectic substances?
In Chlorophyceae (green algae), the cell wall is composed of cellulose and pectic substances.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Algae - General Characteristics and Chlorophyceae