Class 9 Science - Exploration: Entering the World of Secondary Science - Hypothesis and experimentation Expert Quiz

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यदि किसी परिकल्पना को बचाने के लिए हर विरोधी परिणाम के बाद नई अपरीक्षित धारणा जोड़ दी जाए तो क्या समस्या उत्पन्न होती है?

What problem arises if a new untested assumption is added after every opposing result to protect a hypothesis?

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Correct Answer

B. परिकल्पना प्रभावी रूप से अपरीक्षणीय हो सकती हैThe hypothesis may become effectively untestable

Step 1

Concept

Explaining every opposing result with a new assumption can protect a claim from being shown false. Choose clear and falsifiable claims.

Step 2

Why this answer is correct

The correct answer is B. परिकल्पना प्रभावी रूप से अपरीक्षणीय हो सकती है / The hypothesis may become effectively untestable. Explaining every opposing result with a new assumption can protect a claim from being shown false. Choose clear and falsifiable claims.

Step 3

Exam Tip

हर विरोधी परिणाम को नई धारणा से समझाने पर दावा गलत सिद्ध होने से बच जाता है। परीक्षा में स्पष्ट और खंडनीय दावे चुनें।

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एक परिकल्पना से दो संभावित परिणाम निकलते हैं लेकिन दोनों ही उसे सही बताते हैं। वैज्ञानिक परीक्षण के लिए क्या बदलना चाहिए?

A hypothesis allows two possible outcomes but both are treated as confirming it. What should change for scientific testing?

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Correct Answer

A. ऐसी स्पष्ट शर्त बतानी चाहिए जिसमें दावा असमर्थित माना जाएA clear condition should be stated under which the claim would be unsupported

Step 1

Concept

A test is meaningful only if some outcomes can count against the claim. Look for falsifiable criteria.

Step 2

Why this answer is correct

The correct answer is A. ऐसी स्पष्ट शर्त बतानी चाहिए जिसमें दावा असमर्थित माना जाए / A clear condition should be stated under which the claim would be unsupported. A test is meaningful only if some outcomes can count against the claim. Look for falsifiable criteria.

Step 3

Exam Tip

परीक्षण तभी अर्थपूर्ण है जब कुछ परिणाम दावे के विरुद्ध जा सकें। परीक्षा में खंडनीय मानदंड देखें।

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