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प्रश्न
What is common to lantana Eichhomia and African catfish?
विकल्प
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
Enlist any six categories into which a given species is placed once it has been thoroughly evaluated by IUCN.
Match the following and choose the correct alternative.
| Column I | Column II | ||
| i. | Not evaluated | a. | Pervasive and abundant after careful assessment |
| ii. | Near threatened | b. | Information related to risk of extinction is lacking in some way |
| iii. | Least concern | c. | Described by scientist but not assessed by the IUCN |
| iv. | Data deficient | d. | May meet the criteria for threatened status in the near future |
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 among the following is an in situ conservation method for national genetic resources?
What are the major factors that are responsible for the loss of biodiversity? What steps are needed to prevent them?
Which of the following is not a cause for loss of biodiversity?
Which of the following is/are endangered plant species?
Which of these is NOT amongst the effects of loss of biodiversity?
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
How can you, as an individual, prevent the loss of biodiversity?
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.
Which of the following suits hotspots in ecological terminology?
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?
Mention any two places where the ex-situ conservation is undertaken.
Which one of the following is a pair of endangered species?
Which of the following regions of the globe exhibits highest species diversity?
Which one of the following groups faces maximum threat of extinction?
Give definitions of Endangered species.
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.
