Biodiversity can be defined as the variability among living organisms from all the sources including terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part.

Ex-sito conservation refers to the conservation of the living beings or biological resources outside their natural habit.

Any two importance of Himalayan yew are:
- It is used to cure cancer of earlier stage.
- It can be exported as medicinal herbs.

Any two medicinal value of Sarpaganda are listed below:
- It is the medicinal herbs.
- It can be used to treat heart diseases.

Any two causes of rareness of Asiatic Rock Python are:
- Encroachment of its habitat.
- Illegal hunting and trades.

The area surrounding the national parks and conservation areas managed for the human settlement is called buffer zone.

Any two adverse effect on biodiversity due to human activity are:
- Destruction of habitat.
- Degradation of eco-system.

Any two conservation measures of biodiversity in our locality are:
- Protection of habitat.
- Control of illegal trade and hunting of fauna and flora.

9 species of birds and 27 species of mammals of Nepal have been declared / included in the protected list.

• Educate your family about endangered species in your area.
• Recycle and buy sustainable products.
• Reduce your personal footprint.
• Volunteer your time to protect the wildlife in your area.
• Herbicides and pesticides are hazardous pollutants that affect wildlife at many levels.