Match the following regarding in-situ conservation in India:

Column-$I$	Column-$II$
$(P)$ Biosphere Reserves	$(I)$ $14$
$(Q)$ National Parks	$(II)$ $448$
$(R)$ Wildlife Sanctuaries	$(III)$ $90$

Choose the correct sentence$(s)$ for in situ conservation:
$a$ - Sacred groves are part of in situ conservation.
$b$ - Zoological parks are an approach for in situ conservation.
$c$ - In this approach,ecologically unique and biodiversity-rich regions are legally protected.

Statement $I$: In many cultures,tracts of forest were set aside,and all the trees and wildlife within were venerated and given total protection; these are referred to as sacred groves.
Statement $II$: In Meghalaya,the sacred groves are the last refuges for a large number of rare and threatened animals.

Mangrove forests are found in

What are sacred groves and their role in biodiversity conservation?

In your opinion, which is the most effective way to conserve the plant diversity of an area?