Question

Which of the following red algae are suitable for human consumption ?

• A. Laminaria and Fucus
• B. Gracilaria and Chondrus
• C. Porphyra and Spirogyra
• D. Rhodymenia and Porphyra.

Answer 1

The correct option is D Rhodymenia and Porphyra.

Rhodymenia is a red alga and is well-known snack food. It has been an important source of dietary fibre throughout the centuries.

Porphyra is a cold water seaweed that grows in cold, shallow seawater. It has 30-35% proteins, 40-45% carbohydrates and a very high percentage of vitamins. The alga is sold and eaten together with rice.

So the correct answer is option D.