MCQ
Ex situ conservation is carried out through:
- AFunneling the threatened species into trade.
- BOff-site collections.
- CGene banks.
- DAll of the above.
Explanation:
The conservation of components of biological diversity outside their natural habitats is ex-situ conservation.
Ex-situ (off site) conservation is a set of conservation techniques involving the transfer of a target species away from its native habitat.
Ex-situ techniques include: seed storage, captive breeding, slow-growth storage, DNA storage.
The main purposes of ex-situ collections are the rescue and preservation of threatened genetic material and the breeding of species for reintroduction in cases where a species continued survival in its native habitat is threatened.
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$R$ - Agrobacterium tumifaciens is a pathogens ofseveral dicot plants
$I.$ Organs which are different in basic structure and origin but performs similar functions are called analogous organ
$II.$ Organs with different to basic structure and origin but perform similar functions are called homologous organs
$III.$ Homologous organs lead to convergent evolution
$IV.$ Analogous organ leads to divergent evolution
The correct combination is