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प्रश्न
The extinction of passenger pigeon was due to ______.
विकल्प
Increased number of predatory birds.
Over exploitation by humans
Non- availability of the food
Bird flu virus infection
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उत्तर
The extinction of passenger pigeon was due to over exploitation by humans.
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संबंधित प्रश्न
Substantiate with the help of one example that in an ecosystem mutualists
are also one of the major causes of biodiversity loss.
Very short answer type question
What do you understand by the EW category of a living being?
Species that possess a very high risk of extinction due to population decline of about 30 - 50 % over past 10 years are categorized as _______.
The Red List of threatened species is published by ______.
Accroding to IUCN Red list, the status of Antilope is ____________.
Which among the following forests is known as the "lungs of the planet earth"?
What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
What is common to the species shown in figures A and B?
 |
 |
| A | B |
How can you, as an individual, prevent the loss of biodiversity?
How many Biodiversity hotspots have been identified around the world?
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?
Match the species in Column I with its category in Column II.
| Column I | Column II |
| A. Rare species | I. No species |
| B. Vulnerable species | II. Facing a high risk of extinction |
| C. Endangered species | III. Localised species |
| D. Extinct species | IV. Species under threat |
Choose the correct answer from the options given below.
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.
Damage to biodiversity takes place due to natural reasons which includes the following EXCEPТ:
