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Class 12 Biology Practice Test: Biodiversity and Conservation - Loss of Biodiversity
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Class 12 Biology Practice Test: Biodiversity and Conservation - Loss of Biodiversity
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14 Questions

1. According to the IUCN Red List (2004) documents, how many species have extinct in the last 500 years?
2. Which one of the following is an example of recent extinction?
3. How many species worldwide are facing the threat of extinction?
4. How many species have gone extinct in the last twenty years?
5. Which one of the following is an example of recent extinction?
6. According to the IUCN Red List (2004) documents, how many invertebrate species have extinct in the last 500 years?
7. How many mass extinctions have occurred since the origin and diversification of life on Earth?
8. According to the IUCN Red List (2004) documents, how many species have extinct in the last 500 years?
9. How many species worldwide are facing the threat of extinction?
10. How many species of birds are extinct due to the colonization of the tropical Pacific Islands by humans?
11. According to the IUCN Red List (2004) documents, how many vertebrate species have extinct in the last 500 years?
12. Which one of the following is an example of recent extinction?
13. According to the IUCN Red List (2004) documents, how many invertebrate species have extinct in the last 500 years?
14. Why is the biological wealth of our planet declining rapidly?

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