Question

What is odd one out between pearl coral diamond and medicinal plants? Why?

Answer 1

Answer:

medicinal plant as they grow in short spam Whereas all other take a long time to form

Answer 2

The odd one out between pearl, Coral , diamond and medicinal plants is : MEDICINAL PLANTS

Rest of all the options are precious metals.

And has longer span.

But medicinal plants grow or develop in short term of life.