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

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परिकल्पना किसे कहा जाता है?

What is a hypothesis?

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Correct Answer

C. जाँच योग्य संभावित व्याख्याA testable possible explanation

Step 1

Concept

A hypothesis is a testable possible explanation for a question. Focus on the word testable in exams.

Step 2

Why this answer is correct

The correct answer is C. जाँच योग्य संभावित व्याख्या / A testable possible explanation. A hypothesis is a testable possible explanation for a question. Focus on the word testable in exams.

Step 3

Exam Tip

परिकल्पना किसी प्रश्न की जाँच योग्य संभावित व्याख्या होती है। परीक्षा में जाँच योग्य शब्द पर ध्यान दें।

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वैज्ञानिक पद्धति में आँकड़े एकत्र करने का कारण क्या है?

Why are data collected in the scientific method?

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Correct Answer

A. दावे का परीक्षण करने के लिएTo test a claim

Step 1

Concept

Data are used to test a hypothesis or claim. Remember data as the basis of testing.

Step 2

Why this answer is correct

The correct answer is A. दावे का परीक्षण करने के लिए / To test a claim. Data are used to test a hypothesis or claim. Remember data as the basis of testing.

Step 3

Exam Tip

आँकड़ों से परिकल्पना या दावे की जाँच की जाती है। परीक्षा में आँकड़े को परीक्षण का आधार मानें।

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यदि प्रयोग का परिणाम परिकल्पना के विपरीत आए तो वैज्ञानिक को क्या करना चाहिए?

What should a scientist do if the experimental result contradicts the hypothesis?

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Correct Answer

B. परिकल्पना की पुनः जाँच या संशोधन करनाRecheck or revise the hypothesis

Step 1

Concept

When results contradict a hypothesis it should be rechecked or revised. Treat honest revision as a scientific quality.

Step 2

Why this answer is correct

The correct answer is B. परिकल्पना की पुनः जाँच या संशोधन करना / Recheck or revise the hypothesis. When results contradict a hypothesis it should be rechecked or revised. Treat honest revision as a scientific quality.

Step 3

Exam Tip

विपरीत परिणाम मिलने पर परिकल्पना की पुनः जाँच या संशोधन किया जाता है। परीक्षा में ईमानदार संशोधन को वैज्ञानिक गुण मानें।

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वैज्ञानिक खोज में कल्पना की क्या भूमिका है?

What is the role of imagination in scientific discovery?

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Correct Answer

A. नई परिकल्पनाएँ और मॉडल बनाने में सहायता करनाHelping create new hypotheses and models

Step 1

Concept

Imagination helps create new ideas and models but they must be tested with evidence. Understand the importance of both creativity and testing.

Step 2

Why this answer is correct

The correct answer is A. नई परिकल्पनाएँ और मॉडल बनाने में सहायता करना / Helping create new hypotheses and models. Imagination helps create new ideas and models but they must be tested with evidence. Understand the importance of both creativity and testing.

Step 3

Exam Tip

कल्पना नए विचार और मॉडल बनाने में मदद करती है पर उन्हें प्रमाण से जाँचना आवश्यक है। परीक्षा में कल्पना और परीक्षण दोनों का महत्व समझें।

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