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contrary evidence MCQ Questions for Class 9

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

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3 questions tagged with contrary evidence.

Question 1/3 Hard Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 8

कौन सा डेटा परिकल्पना के विरुद्ध सबसे मजबूत प्रमाण देगा?

Which data would provide the strongest evidence against a hypothesis?

Explanation opens after your attempt
Correct Answer

B. कई नियंत्रित दोहरावों में लगातार विपरीत परिणामConsistently opposite results across many controlled repetitions

Step 1

Concept

Many controlled and consistent opposite results provide strong evidence against a hypothesis. In exams consider both quantity and quality of evidence.

Step 2

Why this answer is correct

The correct answer is B. कई नियंत्रित दोहरावों में लगातार विपरीत परिणाम / Consistently opposite results across many controlled repetitions. Many controlled and consistent opposite results provide strong evidence against a hypothesis. In exams consider both quantity and quality of evidence.

Step 3

Exam Tip

कई नियंत्रित और सुसंगत विपरीत परिणाम परिकल्पना के विरुद्ध मजबूत प्रमाण होते हैं। परीक्षा में प्रमाण की मात्रा और गुणवत्ता दोनों देखें।

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Question 2/3 Hard Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 8

किस स्थिति में परिकल्पना को संशोधित करना सबसे उचित है?

In which situation is it most appropriate to revise a hypothesis?

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Correct Answer

A. जब कई विश्वसनीय परीक्षण लगातार विपरीत प्रमाण देंWhen several reliable tests consistently provide contrary evidence

Step 1

Concept

Consistent reliable contrary evidence is a valid reason to revise a hypothesis. In exams base decisions on evidence.

Step 2

Why this answer is correct

The correct answer is A. जब कई विश्वसनीय परीक्षण लगातार विपरीत प्रमाण दें / When several reliable tests consistently provide contrary evidence. Consistent reliable contrary evidence is a valid reason to revise a hypothesis. In exams base decisions on evidence.

Step 3

Exam Tip

लगातार विश्वसनीय विपरीत प्रमाण परिकल्पना में संशोधन का उचित आधार है। परीक्षा में निर्णय प्रमाण से करें।

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Question 3/3 Expert Science Exploration: Entering the World of Secondary Science Nature and meaning of science Class 9 Level 2

एक वैज्ञानिक रिपोर्ट निष्कर्ष तो देती है लेकिन विरोधी प्रमाणों पर चर्चा नहीं करती। इससे कौन सा गुण कमजोर होता है?

A scientific report gives a conclusion but does not discuss contrary evidence. Which quality is weakened?

Explanation opens after your attempt
Correct Answer

A. संतुलित प्रमाण मूल्यांकनBalanced evaluation of evidence

Step 1

Concept

Ignoring contrary evidence may bias a conclusion. Choose evaluation of all relevant evidence.

Step 2

Why this answer is correct

The correct answer is A. संतुलित प्रमाण मूल्यांकन / Balanced evaluation of evidence. Ignoring contrary evidence may bias a conclusion. Choose evaluation of all relevant evidence.

Step 3

Exam Tip

विरोधी प्रमाणों की उपेक्षा निष्कर्ष को पक्षपातपूर्ण बना सकती है। परीक्षा में सभी प्रासंगिक प्रमाणों की समीक्षा चुनें।

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