Question:
'Algal bloom' mainly includes _________ .
'Algal bloom' mainly includes _________ .
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Algal blooms occur in nutrient rich water.
Updated On: Nov 13, 2026
red algae
green algae
brown algae
blue-green algae
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Eutrophication enriches water with nutrients such as nitrates and phosphates.
Step 2: Key Point
This causes the rapid growth of planktonic algae called algal bloom, mainly blue-green algae (cyanobacteria).
Step 3: Compare the options
So algal bloom mainly includes blue-green algae.
Final Answer:
Algal bloom mainly consists of blue-green algae. \[ \boxed{\text{(D) }\text{blue-green algae}} \]
Eutrophication enriches water with nutrients such as nitrates and phosphates.
Step 2: Key Point
This causes the rapid growth of planktonic algae called algal bloom, mainly blue-green algae (cyanobacteria).
Step 3: Compare the options
So algal bloom mainly includes blue-green algae.
Final Answer:
Algal bloom mainly consists of blue-green algae. \[ \boxed{\text{(D) }\text{blue-green algae}} \]
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