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environmental threshold MCQ Questions for Class 12

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2 questions tagged with environmental threshold.

Question 1/2 Hard Geography Human Geography – Nature and Scope Human–Environment Relationship Class 12 Level 9

झील में पोषक तत्व धीरे-धीरे बढ़ने के बाद अचानक शैवाल विस्फोट होना किसका उदाहरण है?

A sudden algal bloom after gradual nutrient increase in a lake is an example of what?

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Correct Answer

A. पर्यावरणीय सीमा-बिंदुEnvironmental threshold

Step 1

Concept

When nutrients cross a threshold the lake's condition may change rapidly. This is a nonlinear response.

Step 2

Why this answer is correct

The correct answer is A. पर्यावरणीय सीमा-बिंदु / Environmental threshold. When nutrients cross a threshold the lake's condition may change rapidly. This is a nonlinear response.

Step 3

Exam Tip

पोषक तत्व एक सीमा पार करने पर झील की अवस्था तेजी से बदल सकती है। यह गैर-रैखिक प्रतिक्रिया है।

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Question 2/2 Hard Geography Human Geography – Nature and Scope Human–Environment Relationship Class 12 Level 9

पर्यावरणीय सीमा के निकट किसी तंत्र में छोटा अतिरिक्त दबाव बड़ा परिवर्तन क्यों ला सकता है?

Why can a small additional pressure cause a large change in a system near an environmental limit?

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Correct Answer

A. तंत्र किसी सीमा-बिंदु के पास हो सकता हैThe system may be near a threshold

Step 1

Concept

Once a threshold is crossed a system may suddenly shift to a new state. Understand this as nonlinear change.

Step 2

Why this answer is correct

The correct answer is A. तंत्र किसी सीमा-बिंदु के पास हो सकता है / The system may be near a threshold. Once a threshold is crossed a system may suddenly shift to a new state. Understand this as nonlinear change.

Step 3

Exam Tip

सीमा-बिंदु पार होने पर तंत्र अचानक नई अवस्था में जा सकता है। इसे गैर-रैखिक परिवर्तन समझें।

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