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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
Very short answer type question
What do you understand by the EW category of a living being?
Which among the following is/are the type( s) of extinction of species?
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?
The extinction of passenger pigeon was due to ______.
Which among the following forests is known as the "lungs of the planet earth"?
Which of the following are major causes of species losses in a geographical region?
What criteria should one use in categorizing a species as threatened?
How can you, as an individual, prevent the loss of biodiversity?
How many Biodiversity hotspots have been identified around the world?
Name any two biodiversity hot spots in India.
The species placed in CR category is ______.
What is the sustainable use of resources?
Mention any two places where the ex-situ conservation is undertaken.
Which of the following regions of the globe exhibits highest species diversity?
The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including ______.
Which one of the following groups faces maximum threat of extinction?
What are the reasons for loss of biodiversity?
Name any two factors responsible for the loss of biodiversity in a geographical region.
Match List - I with List - IІ.
| List - I | List - II |
| A. The Evil Quartet | I. Cryopreservation |
| B. Ex-situ conservation | ΙI. Alien species invasion |
| C. Lantana camara | III. Causes of biodiversity losses |
| D. Dodo | IV. Extinction |
Choose the option with all correct matches.
