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प्रश्न
What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
विकल्प
All are ornamental plants
All are phylogenic link species
All are prone to over exploitation
All are exclusively present in the Eastern Himalayas
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उत्तर
All are prone to over exploitation
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संबंधित प्रश्न
Dodo bird, stellar sea cow and passenger pigeon are few examples of extinction due to ______.
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
Enlist any six categories into which a given species is placed once it has been thoroughly evaluated by IUCN.
Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.
Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.
The Red List of threatened species is published by ______.
Which of the following is not a cause for loss of biodiversity?
Which among the following forests is known as the "lungs of the planet earth"?
Match the animals given in column I with their location in column II:
| Column I | Column II |
| A. Dodo | i. Africa |
| B. Quagga | ii. Russia |
| C. Thylacine | iii. Mauritius |
| D. Stellar's sea cow | iv. Australia |
Choose the correct match from the following:
What could have triggered mass extinctions of species in the past?
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.
List any three major causes of loss of biodiversity.
Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.
What is the sustainable use of resources?
Mention any two places where the ex-situ conservation is undertaken.
The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including ______.
Give definitions of Extinct species.
Which one of the following is NOT one of the 'Evil Quartet' responsible for the loss of biodiversity?
These are regarded as major causes of biodiversity loss:
- Over exploitation
- Co-extinction
- Mutation
- Habitat loss and fragmentation
- Migration
Choose the correct option:
