Multiple choice

Algal bloom in the coastal areas due to increased nutrient loading from human activities is known as

  1. black tide

  2. blue tide

  3. pink bloom

  4. red tide

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Algal bloom in the coastal areas due to increased nutrient loading from human activities is known as red tide. It is caused by a few species of dinoflagellates and is potentially harmful to human health. Red tide toxin can contaminate marine life and humans can become seriously ill by consuming them.