Class 12th Biology 2017 Set1 Outside Delhi Board Paper Solution

Question 10

Suggest two practices giving one example each, that help protect rare or threatened species.

Answer

1) Ex-situ conservation: Gene Bank

By using cryopreservation (preservation at –196ºC) technique, sperms, eggs, tissues, and embryo can be stored for long period in gene banks, seed banks etc

2) In-situ conservation: Biosphere reserve, wildlife santuaries, national parks.