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प्रश्न
Which of the following statements is correct?
विकल्प
Parthenuim is an endemic species of our country
African catfish is not a threat to indigenous catfishes.
Steller' s sea cow is an extinct animal
Lantana is popularly known as carrot grass
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उत्तर
Steller's sea cow is an extinct animal
Explanation:
The Steller's sea cow (from Russia) is a recently extinct mammal, and parthenuim (carrot grass) is an alien weed that spreads quickly and harms native species.
African catfish is likewise an alien species that has a negative impact on the growth of our native species, claires batrachus.
Another alias species, Lantana camara, is a powerful competitor of native species.
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संबंधित प्रश्न
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| A | B |
Discuss one example, based on your day-to-day observations, showing how loss of one species may lead to the extinction of another.
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List any three major causes of loss of biodiversity.
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Mention any two places where the ex-situ conservation is undertaken.
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Give definitions of Extinct species.
Give definitions of Endangered species.
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