Male gametes are flagellated in:
| 1. | Polysiphonia | 2. | Anabaena |
| 3. | Ectocarpus | 4. | Spirogyra |
Mannitol is a sugar alcohol. It is as stored food in:
1. Fucus
2. Gracillaria
3. Chara
4. Porphyra
Mannitol is the stored food in:
| 1. | Chara | 2. | Porphyra |
| 3. | Fucus | 4. | Gracillaria |