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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What does 'Red' indicate in the IUCN Red list (2004)?

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प्रश्न

What does 'Red' indicate in the IUCN Red list (2004)?

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उत्तर

Red indicates the species that are on the verge of extinction or threatened species.

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पाठ 15: Biodiversity and Conservation - VERY SHORT ANSWER [पृष्ठ १०९]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 15 Biodiversity and Conservation
VERY SHORT ANSWER | Q 5. | पृष्ठ १०९

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.


Currently, ______ mass extinction is considered to be the progressing at an alarming rate due to the loss of biodiversity.


Accroding to IUCN Red list, the status of Antilope is ____________.


Threatened species are those which ______.


What do you understand by ‘exotic 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 is common to the species shown in figures A and B?

A B

What is common to the species shown in figures A and B?

A B

Discuss one example, based on your day-to-day observations, showing how loss of one species may lead to the extinction of another.


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.


"Forests provide intangible benefits to us." Explain by taking three different areas, how.


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?


Which of the following regions of the globe exhibits highest species diversity?


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:

  1. Over exploitation
  2. Co-extinction
  3. Mutation
  4. Habitat loss and fragmentation
  5. Migration

Choose the correct option:


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