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प्रश्न
What is common to lantana Eichhomia and African catfish?
पर्याय
All are endangered species of India
All are key stone species
All are mammals bound in India
All the species are neither threatened nor indigenous species of India
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उत्तर
All the species are neither threatened nor indigenous species of India
Explanation:
All three of the species listed above are neither three atoned nor endemic to India. The foreign (exofic) species Lantana Eichhomia (water hyacinth) and the African catfish (clanasgariepinus) are both invasive and hazardous, resulting in the demise of indigenous species.
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संबंधित प्रश्न
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.
Suggest two practices giving one example of each, that help protect rare or threatened species.
Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.
The Red List of threatened species is published by ______.
Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.
Which one of the following is a natural cause of extinction of flora and fauna?
Which of the following statements is correct?
What could have triggered mass extinctions of species in the past?
What does 'Red' indicate in the IUCN Red list (2004)?
What is common to the species shown in figures A and B?
 |
 |
| A | B |
What criteria should one use in categorizing a species as threatened?
Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.
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?
Match the species in Column I with its category in Column II.
| Column I | Column II |
| A. Rare species | I. No species |
| B. Vulnerable species | II. Facing a high risk of extinction |
| C. Endangered species | III. Localised species |
| D. Extinct species | IV. Species under threat |
Choose the correct answer from the options given below.
Mention any two places where the ex-situ conservation is undertaken.
Which of the following regions of the globe exhibits highest species diversity?
Give definitions of Endangered species.
Which one of the following is NOT one of the 'Evil Quartet' responsible for the loss of biodiversity?
