Biosphere reserves are different from national parks because:

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.

$A$: Biosphere reserves are also included under the ex-situ conservation strategies.
$R$: Cropping and grazing are allowed in the transition zone of biosphere reserve.

Modern ex situ conservation includes

Which of the following is not a part of in situ conservation?

Which is the national aquatic animal of India?