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Question

Q. Which of the following is/are criteria according to which a species can be classified as endangered species?

Select the correct code from the options given below:


A
1, 2 only
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B
1 only
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C
2, 3 only
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D
1, 2, 3
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Solution

The correct option is A 1, 2 only

Explanation:

Criteria for classification of a species as endangered species:

  1. Reduction of 70% - 90% of the population in last 10 years.
  2. Less than 250 mature individual population.
  3. The probability of extinction in wild is at least 20% within 20 years.

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Q.

The conservation status of snow leopard has been changed from “endangered” to “vulnerable” by the International Union for Conservation of Nature (IUCN). Which of the following criterion constitutes the Endangered Status?

1. Reduction in population size of 50% over the last 10 years or three generations. 50% over the last 10 years or three generations.

2. Area of occupancy estimated to be less than 500 km2

3. Population size estimated to number fewer than 250 mature individuals.

4. probability of extinction in the wild is at least 20% within 20 years or five generations

Correct answer code is:

हिम तेंदुए के संरक्षण की स्थिति को प्रकृति संरक्षण के लिए अंतर्राष्ट्रीय संघ (IUCN) द्वारा "लुप्तप्राय" से "असुरक्षित" में बदल दिया गया है। निम्नलिखित में से कौन से मानदंड लुप्तप्राय स्थिति का गठन करता है?

1. पिछले 10 वर्षों या तीन पीढ़ियों से जनसंख्या के आकार में 50% से अधिक की कमी।

2. अधिभोग का क्षेत्र 500 वर्ग किमी से कम होने का अनुमान।

3. जनसंख्या का आकार में 250 से कम व्यस्क संख्या की अनुमान।

4. जंगल में विलुप्त होने की संभावना 20 साल या पांच पीढ़ियों के भीतर कम से कम 20%।

सही उत्तर कूट है:


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