Question

green in morning , black in noon ,blue at evening,white at night and found almost in every house????

Answer 1

The answer is algae.

Algae are commonly found on walls, interior bottom of the bottles and many other places.

Of course, it is found in everyone’s house and hence found in all the wet places.

This organism comes under different forms and it gets direct photosynthesis needed for its existence. Some of the examples of algae are phytoplankton.