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

Category: QuestionsWhat is the reason for choking of the surface off any pond or lake?
Editor">Editor Staff asked 4 weeks ago

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 Answers
Editor">Editor Staff answered 4 weeks ago

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.