MCQ
Gametes of threatened species can be preserved using ........
- ACutting
- ✓Cryo preservation
- CGenetic modification
- DHot preservation
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Reason : Proteins which can be synthesized only by genetic engineering are effective against viruses.
$I.$ Species diversity increases as we move away from the equator towards the poles.
$II.$ Stellar's sea cow and passenger pigeon got extinct due to overexploitation by man.
$III.$ Lantana and Eichhornia are invasive weed in India.
$IV$. The historic convention on biological diversity was held in $1992 .$
Choose the option containing correct statements.