Question

Describe the economic importance of algae with suitable examples. (any five)

Answer 1

• Algae is useful in fish culture- Scenedesmus is often exclusively used as a daily dose of fish meal for the culture T. mossambica.
  
• Algae is useful in sewage treatment plants- Eugelina provides oxygen for decomposition of waste.
  
• The blue-green algae are responsible for the formation of extensive limestone deposits around hot springs and glaciers.
  
• Kombu, a Japanese food is prepared from stipes of species of Laminaria.
  
• Rhodymenia palmata and Alaria esculenta, are favourable food of goats, cows, and sheep