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What is the reason for choking of the surface off any pond or lake?

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in Biology – Class 12 by (271k points)
What is the reason for choking of the surface off any pond or lake?

(a) Nutrients

(b) Fecal matter

(c) Algal bloom

(d) Bacteria

I got this question in an interview for job.

My question is based upon Environmental Issues in division Environmental Issues of Biology – Class 12

1 Answer

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Correct choice is (c) Algal bloom

For explanation: The microscopic organisms called planktonic algae are the foundation of the aquatic food chain in all lakes, ponds, and rivers. However, their excess growth can lead to an algal bloom, choking the surface of any pond or lake.

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