Advertisements
Advertisements
प्रश्न
Explain as to how protection of biodiversity hot spots alone can reduce up to 30% of the current rate of species extinction.
Advertisements
उत्तर
Although all the biodiversity hot spots put together cover less than 2 percent of the earth’s land area, the number of species they collectively harbour is extremely high and strict protection of these hot spots could reduce the ongoing mass extinctions by almost 30 percent.
APPEARS IN
संबंधित प्रश्न
Dodo bird, stellar sea cow and passenger pigeon are few examples of extinction due to ______.
Which of the following is not a cause for loss of biodiversity?
What is common to lantana Eichhomia and African catfish?
Which of the following is/are endangered plant species?
Which of the following are major causes of species losses in a geographical region?
Which of these is NOT amongst the effects of loss of biodiversity?
IUCN means
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:
List any two major causes other than anthropogenic causes of the loss of biodiversity.
How many Biodiversity hotspots have been identified around the world?
List any three major causes of loss of biodiversity.
Name any two biodiversity hot spots in India.
What is the sustainable use of resources?
Consider the following statements:
- Statement I: Endemism and accelerated habitat loss are characteristics of biodiversity hotspots.
- Statement II: Gene bank is an in-situ method of biodiversity conservation.
Choose the correct answer from the options given below.
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.
Which one of the following is a pair of endangered species?
The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including ______.
Which one of the following groups faces maximum threat of extinction?
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:
