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further testing MCQ Questions for Class 9

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Question 1/2 Expert Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 9

यदि किसी प्रयोग के आँकड़े परिकल्पना का केवल आंशिक समर्थन करें तो वैज्ञानिक निष्कर्ष कैसा होना चाहिए?

If experimental data only partly support a hypothesis what should the scientific conclusion be?

Explanation opens after your attempt
Correct Answer

C. प्रमाण सीमित समर्थन देता है और आगे परीक्षण आवश्यक हैThe evidence gives limited support and further testing is needed

Step 1

Concept

The conclusion should match the strength of the evidence. In exams state the degree of support rather than claiming absolute proof.

Step 2

Why this answer is correct

The correct answer is C. प्रमाण सीमित समर्थन देता है और आगे परीक्षण आवश्यक है / The evidence gives limited support and further testing is needed. The conclusion should match the strength of the evidence. In exams state the degree of support rather than claiming absolute proof.

Step 3

Exam Tip

निष्कर्ष प्रमाण की शक्ति के अनुरूप होना चाहिए। परीक्षा में पूर्ण सिद्धि के स्थान पर समर्थन की सीमा लिखें।

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Question 2/2 Hard Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 7

एक विस्तृत प्रयोग के बाद परिणाम परिकल्पना का आंशिक समर्थन करते हैं और कुछ परिस्थितियों में विरोध करते हैं। सर्वोत्तम वैज्ञानिक निष्कर्ष क्या होगा?

After a detailed experiment the results support the hypothesis under some conditions but contradict it under others. What is the best scientific conclusion?

Explanation opens after your attempt
Correct Answer

A. परिकल्पना को परिस्थितियों के अनुसार संशोधित करना और नए परीक्षण प्रस्तावित करनाRevise the hypothesis according to the conditions and propose further tests

Step 1

Concept

Partial support suggests that the hypothesis should be refined with more precise conditions. In exams view science as a process that improves with evidence.

Step 2

Why this answer is correct

The correct answer is A. परिकल्पना को परिस्थितियों के अनुसार संशोधित करना और नए परीक्षण प्रस्तावित करना / Revise the hypothesis according to the conditions and propose further tests. Partial support suggests that the hypothesis should be refined with more precise conditions. In exams view science as a process that improves with evidence.

Step 3

Exam Tip

आंशिक समर्थन बताता है कि परिकल्पना को अधिक सटीक परिस्थितियों के साथ संशोधित करना चाहिए। परीक्षा में विज्ञान को प्रमाण के आधार पर सुधरती प्रक्रिया समझें।

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