Class 9 Science - Exploration: Entering the World of Secondary Science - Variables in an experiment Easy Quiz

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किस प्रकार का प्रश्न प्रयोग द्वारा जाँचा जा सकता है?

Which type of question can be tested through an experiment?

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Correct Answer

A. परीक्षण योग्य प्रश्नA testable question

Step 1

Concept

An experiment can test a question containing measurable variables. Look for testability.

Step 2

Why this answer is correct

The correct answer is A. परीक्षण योग्य प्रश्न / A testable question. An experiment can test a question containing measurable variables. Look for testability.

Step 3

Exam Tip

प्रयोग द्वारा वही प्रश्न जाँचा जा सकता है जिसमें मापने योग्य चर हों। परीक्षा में परीक्षणीयता देखें।

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एक प्रयोग में परिणाम लिखने से पहले क्या करना चाहिए?

What should be done before writing the result of an experiment?

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Correct Answer

A. अवलोकन और मापन दर्ज करने चाहिएObservations and measurements should be recorded

Step 1

Concept

Results should be based on actual observations and measurements. Put evidence first.

Step 2

Why this answer is correct

The correct answer is A. अवलोकन और मापन दर्ज करने चाहिए / Observations and measurements should be recorded. Results should be based on actual observations and measurements. Put evidence first.

Step 3

Exam Tip

परिणाम वास्तविक अवलोकनों और मापों पर आधारित होना चाहिए। परीक्षा में प्रमाण पहले रखें।

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एक वैज्ञानिक प्रश्न को बहुत अस्पष्ट होने से कैसे बचाया जा सकता है?

How can a scientific question be prevented from being too vague?

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Correct Answer

A. स्पष्ट चर और मापने योग्य परिणाम लिखकरBy stating clear variables and measurable outcomes

Step 1

Concept

Clear variables make a question focused and testable. Avoid vague words.

Step 2

Why this answer is correct

The correct answer is A. स्पष्ट चर और मापने योग्य परिणाम लिखकर / By stating clear variables and measurable outcomes. Clear variables make a question focused and testable. Avoid vague words.

Step 3

Exam Tip

स्पष्ट चर प्रश्न को केंद्रित और परीक्षण योग्य बनाते हैं। परीक्षा में अस्पष्ट शब्दों से बचें।

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एक प्रयोग में सभी अवलोकन ईमानदारी से लिखना क्यों जरूरी है?

Why is it necessary to record all observations honestly in an experiment?

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Correct Answer

A. सही निष्कर्ष निकालने के लिएTo draw a correct conclusion

Step 1

Concept

Honest recording keeps the conclusion based on real evidence. Recognise scientific objectivity.

Step 2

Why this answer is correct

The correct answer is A. सही निष्कर्ष निकालने के लिए / To draw a correct conclusion. Honest recording keeps the conclusion based on real evidence. Recognise scientific objectivity.

Step 3

Exam Tip

ईमानदार अभिलेखन निष्कर्ष को वास्तविक प्रमाण पर आधारित रखता है। परीक्षा में वैज्ञानिक निष्पक्षता पहचानें।

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एक वैज्ञानिक प्रश्न में कारण और परिणाम के बीच संबंध पूछने का उदाहरण कौन सा है?

Which is an example of a scientific question asking about a relationship between cause and outcome?

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Correct Answer

B. मिट्टी की नमी बीज के अंकुरण को कैसे प्रभावित करती है?How does soil moisture affect seed germination?

Step 1

Concept

Soil moisture can be changed and germination can be measured. Identify independent and dependent variables.

Step 2

Why this answer is correct

The correct answer is B. मिट्टी की नमी बीज के अंकुरण को कैसे प्रभावित करती है? / How does soil moisture affect seed germination?. Soil moisture can be changed and germination can be measured. Identify independent and dependent variables.

Step 3

Exam Tip

मिट्टी की नमी बदली जा सकती है और अंकुरण मापा जा सकता है। परीक्षा में स्वतंत्र और आश्रित चर पहचानें।

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