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

Which among the following forests is known as the "lungs of the planet earth"? - Biology

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प्रश्न

Which among the following forests is known as the "lungs of the planet earth"?

विकल्प

  • Taiga forest

  • Tundra forest

  • Amazon rain forest

  • Rainforests of north - east India.

MCQ
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उत्तर

Amazon rain forest

Explanation:

The Amazon is a rain forest that spans much of south America's amazon basin, encompassing nine countries. It contains almost half of the world's rain forests and is home to the world's largest and most diverse tropical rainforest.

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अध्याय 15: Biodiversity and Conservation - MULTIPLE CHOICE QUESTIONS [पृष्ठ १०८]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
अध्याय 15 Biodiversity and Conservation
MULTIPLE CHOICE QUESTIONS | Q 15. | पृष्ठ १०८

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Give any 'two' examples of endangered species


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


Acronym for IUCN is ____________.


Which among the following is an exception to invasive species?


Threatened species are those which ______.


What do you understand by ‘exotic species’?


Match the following columns.

Column - I Column - II
(i) Dodo  (a) Africa 
(ii) Ouagga  (b) Russia 
(iii) Thylacine (c) Mauritius 
(iv) Stellar's sea cow (d) Australia

Choose the correct match from the following


Which of the following statements is correct?


Which of these is NOT amongst the effects of loss of biodiversity?


IUCN means


What criteria should one use in categorizing a species as threatened?


List any two major causes other than anthropogenic causes of the loss of biodiversity.


Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.


The species placed in CR category is ______.


Gametes of threatened species can be preserved in viable and fertile conditions for long periods using ______.


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.


What is ex-situ conservation?


Which one of the following is a pair of endangered species?


Which one of the following groups faces maximum threat of extinction? 


Give definitions of Endangered species.


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