Question

What are the green patches that we see in stagnant water?

Answer 1

Green patches seen in stagnant water:

1. Water that has been lying for a very long time is called stagnant water.
2. Algae can be observed as green patches in stagnant water.
3. The simplest eukaryotic organisms are algae.
4. Algae begin to flourish on the water's surface when it receives enough sunlight and is warm enough.
5. The nutrients from agricultural areas that have been washed away by rain or excessive irrigation are another source of nutrients for algae growth.
6. Due to the presence of chlorophyll, the algae have a slimy appearance and are green.