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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
Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?
Give any 'two' examples of endangered species
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.
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 among the following forests is known as the "lungs of the planet earth"?
Which of these is NOT amongst the effects of loss of biodiversity?
What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
Discuss one example, based on your day-to-day observations, showing how loss of one species may lead to the extinction of another.
How can you, as an individual, prevent the loss of biodiversity?
Though the conflict between humans and wildlife started with the evolution of man, the intensity of conflict has increased due to the activities of modern man. Justify your answer with suitable examples.
The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including ______.
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 is NOT one of the four causes grouped as the 'Evil Quartet'?
Which IUCN category is assigned to a species for which inadequate information is available for proper assessment?
The Nile perch and African catfish are examples of biodiversity loss caused by:
Which of the following is a natural cause (rather than a human cause) of biodiversity loss?
Which of the following is an example of a species in the 'Least Concern' (LC) IUCN category?
