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observational evidence MCQ Questions for Class 9

observational evidence se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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2 questions tagged with observational evidence.

Question 1/2 Medium Science Exploration: Entering the World of Secondary Science Scientific questions and observations Class 9 Level 5

एक छात्र कहता है कि गर्म पानी में चीनी जल्दी घुलती है क्योंकि उसने ऐसा होते देखा। यह कथन मुख्यतः किस पर आधारित है?

A student says sugar dissolves faster in hot water because it was observed. What is the statement mainly based on?

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Correct Answer

B. प्रेक्षणीय प्रमाणObservational evidence

Step 1

Concept

Information obtained from an observed result is observational evidence. Prefer evidence that is seen or measured.

Step 2

Why this answer is correct

The correct answer is B. प्रेक्षणीय प्रमाण / Observational evidence. Information obtained from an observed result is observational evidence. Prefer evidence that is seen or measured.

Step 3

Exam Tip

देखे गए परिणाम से प्राप्त जानकारी प्रेक्षणीय प्रमाण कहलाती है। परीक्षा में देखे या मापे गए प्रमाण को प्राथमिकता दें।

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Question 2/2 Expert Science Exploration: Entering the World of Secondary Science Nature and meaning of science Class 9 Level 2

यदि किसी दावे की जाँच के लिए प्रयोग करना नैतिक रूप से संभव नहीं है तो विज्ञान क्या कर सकता है?

If an experiment to test a claim is ethically impossible what can science do?

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Correct Answer

B. अवलोकनात्मक अध्ययन मॉडल और सुरक्षित वैकल्पिक प्रमाण उपयोग करनाUse observational studies models and safe alternative evidence

Step 1

Concept

Different evidence methods can be used within ethical limits. Understand the balance between science and ethics.

Step 2

Why this answer is correct

The correct answer is B. अवलोकनात्मक अध्ययन मॉडल और सुरक्षित वैकल्पिक प्रमाण उपयोग करना / Use observational studies models and safe alternative evidence. Different evidence methods can be used within ethical limits. Understand the balance between science and ethics.

Step 3

Exam Tip

नैतिक सीमाओं के भीतर विभिन्न प्रमाण विधियाँ उपयोग की जा सकती हैं। परीक्षा में विज्ञान और नैतिकता का संतुलन समझें।

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