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measurable variables MCQ Questions for Class 9

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3 questions tagged with measurable variables.

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

यदि परिकल्पना जांच योग्य नहीं है तो उसे कैसे सुधारा जा सकता है?

How can a non testable hypothesis be improved?

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Correct Answer

A. उसमें माप योग्य चर जोड़करBy adding measurable variables

Step 1

Concept

Measurable variables make a hypothesis testable through experiment. Replace vague words with clear outcomes.

Step 2

Why this answer is correct

The correct answer is A. उसमें माप योग्य चर जोड़कर / By adding measurable variables. Measurable variables make a hypothesis testable through experiment. Replace vague words with clear outcomes.

Step 3

Exam Tip

माप योग्य चर परिकल्पना को प्रयोग से जांचने योग्य बनाते हैं। अस्पष्ट शब्दों को स्पष्ट परिणाम से बदलें।

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Question 2/3 Expert Science Exploration: Entering the World of Secondary Science Scientific questions and observations Class 9 Level 4

किसी प्रश्न में प्राकृतिक घटना और उसके संभावित कारण दोनों शामिल हैं। वैज्ञानिक रूप से पहला कदम क्या होना चाहिए?

A question includes a natural phenomenon and its possible cause. What should be the first scientific step?

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Correct Answer

A. घटना और कारण से जुड़े मापने योग्य चर परिभाषित करनाDefine measurable variables related to the phenomenon and proposed cause

Step 1

Concept

A causal test cannot be systematic without clear variables. Build a measurement plan from the question.

Step 2

Why this answer is correct

The correct answer is A. घटना और कारण से जुड़े मापने योग्य चर परिभाषित करना / Define measurable variables related to the phenomenon and proposed cause. A causal test cannot be systematic without clear variables. Build a measurement plan from the question.

Step 3

Exam Tip

स्पष्ट चर के बिना कारण की जाँच व्यवस्थित नहीं हो सकती। परीक्षा में प्रश्न से पहले मापन योजना बनाएँ।

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Question 3/3 Hard Science Exploration: Entering the World of Secondary Science Scientific questions and observations Class 9 Level 5

किस वैज्ञानिक प्रश्न में कारण और परिणाम दोनों मापने योग्य हैं?

Which scientific question has both cause and effect measurable?

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Correct Answer

C. विभिन्न लवण सांद्रताओं पर बीज अंकुरण प्रतिशत कैसे बदलता हैHow does seed germination percentage change at different salt concentrations

Step 1

Concept

Salt concentration and germination percentage can both be measured. Look for measurability in testable questions.

Step 2

Why this answer is correct

The correct answer is C. विभिन्न लवण सांद्रताओं पर बीज अंकुरण प्रतिशत कैसे बदलता है / How does seed germination percentage change at different salt concentrations. Salt concentration and germination percentage can both be measured. Look for measurability in testable questions.

Step 3

Exam Tip

लवण सांद्रता और अंकुरण प्रतिशत दोनों मापे जा सकते हैं। परीक्षा में परीक्षण योग्य प्रश्नों में मापनीयता देखें।

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