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experiment planning MCQ Questions for Class 9

experiment planning 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 experiment planning.

Question 1/3 Medium Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 7

किस क्रम में वैज्ञानिक प्रयोग की योजना बनाना सबसे उचित है?

Which sequence is most appropriate for planning a scientific experiment?

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Correct Answer

A. प्रश्न परिकल्पना चर विधि डेटा और निष्कर्षQuestion hypothesis variables method data and conclusion

Step 1

Concept

A scientific investigation begins with a question and hypothesis then proceeds through variables and method to data and conclusion. In exams remember the logical sequence.

Step 2

Why this answer is correct

The correct answer is A. प्रश्न परिकल्पना चर विधि डेटा और निष्कर्ष / Question hypothesis variables method data and conclusion. A scientific investigation begins with a question and hypothesis then proceeds through variables and method to data and conclusion. In exams remember the logical sequence.

Step 3

Exam Tip

वैज्ञानिक जाँच प्रश्न और परिकल्पना से शुरू होकर चर और विधि के बाद डेटा तथा निष्कर्ष तक जाती है। परीक्षा में तार्किक क्रम याद रखें।

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Question 2/3 Medium Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 7

प्रयोग शुरू करने से पहले जोखिम पहचानना क्यों जरूरी है?

Why is it necessary to identify risks before starting an experiment?

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Correct Answer

D. उचित सुरक्षा उपाय तय करने के लिएTo decide suitable safety measures

Step 1

Concept

Identifying risks helps select precautions and reduces the chance of accidents. In exams match hazards with safety measures.

Step 2

Why this answer is correct

The correct answer is D. उचित सुरक्षा उपाय तय करने के लिए / To decide suitable safety measures. Identifying risks helps select precautions and reduces the chance of accidents. In exams match hazards with safety measures.

Step 3

Exam Tip

जोखिम पहचानने से उचित सावधानी चुनकर दुर्घटना की संभावना कम की जा सकती है। परीक्षा में खतरे के साथ सुरक्षा उपाय मिलाएँ।

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Question 3/3 Easy Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 7

प्रयोग शुरू करने से पहले सबसे पहले क्या करना चाहिए?

What should be done before starting an experiment?

Explanation opens after your attempt
Correct Answer

D. प्रक्रिया और सुरक्षा नियम समझनाUnderstand the procedure and safety rules

Step 1

Concept

The procedure and safety rules must be understood before an experiment. In exams give priority to safe working.

Step 2

Why this answer is correct

The correct answer is D. प्रक्रिया और सुरक्षा नियम समझना / Understand the procedure and safety rules. The procedure and safety rules must be understood before an experiment. In exams give priority to safe working.

Step 3

Exam Tip

प्रयोग से पहले प्रक्रिया और सुरक्षा नियम समझना आवश्यक है। परीक्षा में सुरक्षित कार्य को प्राथमिकता दें।

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