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Mannitol is the stored food in:...

Mannitol is the stored food in:

A

Fucus

B

Gracilaria

C

Chara

D

Porphyra

Text Solution

AI Generated Solution

The correct Answer is:
To determine where mannitol is stored as food, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Organisms**: The question lists four organisms: Fucus, Gracilaria, Cara, and Porphyra. We need to identify which of these organisms are algae and their respective classes. 2. **Classify the Algae**: - **Fucus**: This is classified as Brown Algae (Phaeophyceae). - **Gracilaria**: This is classified as Red Algae (Rhodophyceae). - **Cara**: This is classified as Green Algae (Chlorophyceae). - **Porphyra**: This is also classified as Red Algae (Rhodophyceae). 3. **Determine Stored Food**: - **Brown Algae (Fucus)**: The stored food in Brown Algae is mannitol and laminarin. - **Red Algae (Gracilaria and Porphyra)**: The stored food in Red Algae is floridean starch. - **Green Algae (Cara)**: The stored food in Green Algae is starch. 4. **Conclusion**: Since mannitol is specifically mentioned as the stored food in Brown Algae, and Fucus is an example of Brown Algae, the correct answer to the question is Fucus. ### Final Answer: Mannitol is the stored food in **Fucus**. ---
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