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प्रश्न
What does 'Red' indicate in the IUCN Red list (2004)?
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उत्तर
Red indicates the species that are on the verge of extinction or threatened species.
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संबंधित प्रश्न
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 |
Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.
Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.
What do you understand by ‘exotic species’?
What is common to lantana Eichhomia and African catfish?
Which of these is NOT amongst the effects of loss of biodiversity?
What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
What is common to the species shown in figures A and B?
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| A | B |
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?
Decline in the population of Indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be catogoriesd as ______.
Which one of the following is a pair of endangered species?
Red Data Book is maintained by ______.
The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including ______.
Give definitions of Invasive species.
Write any three criteria on which different types of reflexes are based.
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.
Which of the following animals is correctly categorised as 'Vulnerable' under the IUCN Red List?
Which of the following represents the correct pairing of species to IUCN category?
