The impacts of loss of biodiversity may lead to

$I$. lowered resistance to environmental perturbation

$II$. decrease in plant production

$III$, increased variability in ecosystem processes like water use, pest/disease cycle, plants productivity

$IV$. Increase in plant production

Choose the correct option

$A$ : Biosphere reserves are also included under the ex-situ conservation strategies.

$R$ : Cropping and grazing are allowed in the transition zone of biosphere reserve.

Full forms : $MAB$

Identify the correct matched pair:

Which one of the following is not related to $5\; F’s$ of Chipko movement?