Question

Which of the following algae produce Carrageen?

• A. Blue-green algae
• B. Green algae
• C. Brown algae
• D. Red algae

Answer 1

The Correct Option is D

To determine which algae produce carrageen, we need to understand what carrageen is and which algae are responsible for its production.

Understanding Carrageen: Carrageen, also known as carrageenan, is a substance extracted from certain types of seaweeds. It is widely used in the food industry as a thickening, stabilizing, and gelling agent. Specifically, carrageenan is derived from red algae.

Explanation of Options:

1. Blue-green algae: These are cyanobacteria and do not produce carrageen. They have a different biological classification and usage.
2. Green algae: These algae are not responsible for carrageen production. They are more commonly associated with producing chlorophyll and are important in photosynthesis.
3. Brown algae: While brown algae produce substances like alginate, they do not produce carrageen.
4. Red algae: This group of algae is the correct source of carrageen. They contain cells that produce carrageen as a substance for maintaining the structure and adaptability of the seaweed in water.

Conclusion: As per the explanation, the correct answer is Red algae. They are the primary producers of carrageen used in various industries.