STD 12 - 1. sexual reproduction in flowering plants — Biology STD 12 Science — Question

$I$. National parks

$II$. Wildlife sanctuaries

$III$. Biosphere reserves

$IV$. Sacred forests/Lakes

Choose the correct option

$(a)$ The cattle egret and grazing cattle

$(b)$ Barnacle balanus and Barnacle chathamalus

$(c)$ Goat and Abingdon turtle from Galapagosisland

$(d)$ Barnacles growing on the back of whale