Give the names of biodiversity rich zones in India.

Most biodiversity rich zone in India is

Give the name of simples ketone?

Of the four major causes for the loss of biodiversity (Alien species invasion habitat loss and fragmentation, over-exploitation and co-extinctions) which according to you is the major cause for the loss of biodiversity? Give reasons in support.

Biodiversity refers to:

Give the name of one neurotransmitter.