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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
Substantiate with the help of one example that in an ecosystem mutualists
are also one of the major causes of biodiversity loss.
Answer the following question:
Substantiate with the help of one example that in an ecosystem mutualists
(i) tend to co-evolve and
(ii) are also one of the major causes of biodiversity loss.
Dodo bird, stellar sea cow and passenger pigeon are few examples of extinction due to ______.
Acronym for IUCN is ____________.
Which among the following is a TRUE statement?
Match the following columns.
| Column - I | Column - II |
| (i) Dodo | (a) Africa |
| (ii) Ouagga | (b) Russia |
| (iii) Thylacine | (c) Mauritius |
| (iv) Stellar's sea cow | (d) Australia |
Choose the correct match from the following
What is common to lantana Eichhomia and African catfish?
Which of the following statements is correct?
Which of the following is/are endangered plant species?
Which of the following are major causes of species losses in a geographical region?
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
How many Biodiversity hotspots have been identified around the world?
Gametes of threatened species can be preserved in viable and fertile conditions for long periods using ______.
Western Ghats have a large number of plant and animal species that are not found anywhere else. Which of the following terms will you use to notify such species?
Many species like Stellar's Sea cow and passenger pigeon have been driven to the brink of extinction. Which of the following describes this situation?
Give definitions of Extinct species.
Write any three criteria on which different types of reflexes are based.
Damage to biodiversity takes place due to natural reasons which includes the following EXCEPТ:
