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प्रश्न
Suggest two practices giving one example of each, that help protect rare or threatened species.
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उत्तर
- By using cryopreservation (preservation at –196ºC) technique, sperm, eggs, tissues, and embryos can be stored for a long period in gene banks, seed banks, etc.
- Plants are propagated in vitro using tissue culture methods.
संबंधित प्रश्न
What are the major causes of species losses in a geographical region?
Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.
Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.
Which among the following is an exception to invasive species?
What are the major factors that are responsible for the loss of biodiversity? What steps are needed to prevent them?
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
Of the four major causes for the loss of biodiversity (Alien species invasion, habitat loss and fragmentation, over-exploitation and co-extinctions which according to you is the major cause for the loss of biodiversity? Give reasons in support.
Explain the concept of "co-extinction" by taking two examples.
How many Biodiversity hotspots have been identified around the world?
There was a loss of biodiversity in the ecosystem due to a new construction project in that area. What would be its impact on the ecosystem? State any three.
Name any two biodiversity hot spots in India.
"Forests provide intangible benefits to us." Explain by taking three different areas, how.
Give definitions of Invasive species.
Name any two factors responsible for the loss of biodiversity in a geographical region.
The current global biodiversity crisis is described as an ongoing mass extinction with extinction rates estimated to be how many times higher than earlier natural rates?
Reduced biodiversity in an ecosystem leads to which of the following ecological effects?
Over-exploitation as a cause of biodiversity loss is best exemplified by which of the following?
Which of the following sets correctly lists all extinct (EX) species mentioned in the IUCN classification?
