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प्रश्न
What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
पर्याय
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
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.
Suggest two practices giving one example of each, that help protect rare or threatened species.
Species that possess a very high risk of extinction due to population decline of about 30 - 50 % over past 10 years are categorized as _______.
Species that possess a high risk of extinction with very few surviving members (50) are categorised as ____________ by the IUCN.
Which among the following is an exception to invasive species?
Which one of the following is a natural cause of extinction of flora and fauna?
Which of the following is/are endangered plant species?
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?
What does 'Red' indicate in the IUCN Red list (2004)?
What is common to the species shown in figures A and B?
 |
 |
| A | B |
When a species goes extinct in one area, it is often desirable to re-introduce the species from other populations. A major problem with this approach is that ______.
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?
What is ex-situ conservation?
Which one of the following is a pair of endangered species?
Give definitions of Extinct species.
Give definitions of Endangered species.
