Q1. Which of the following statements about Phaeophyceae is correct?
- A. Phaeophyceae lack chlorophyll and rely on phycoerythrin.
- B. Their plant body can reach heights of 100 meters in kelps.
- C. Phaeophyceae store food as floridean starch.
- D. All Phaeophyceae are unicellular and microscopic.