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changed-measured-controlled MCQ Questions for Class 9

changed-measured-controlled se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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2 questions tagged with changed-measured-controlled.

Question 1/2 Medium Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 10

चर पहचानने के लिए कौन सा प्रश्न क्रम सबसे उपयोगी है?

Which sequence of questions is most useful for identifying variables?

Explanation opens after your attempt
Correct Answer

A. क्या बदला गया क्या मापा गया और क्या समान रखा गयाWhat was changed what was measured and what was kept the same

Step 1

Concept

The changed factor is independent the measured factor is dependent and the factor kept the same is controlled. This sequence is useful in exams.

Step 2

Why this answer is correct

The correct answer is A. क्या बदला गया क्या मापा गया और क्या समान रखा गया / What was changed what was measured and what was kept the same. The changed factor is independent the measured factor is dependent and the factor kept the same is controlled. This sequence is useful in exams.

Step 3

Exam Tip

बदला गया कारक स्वतंत्र मापा गया कारक आश्रित और समान रखा गया कारक नियंत्रित चर होता है। यह क्रम परीक्षा में उपयोगी है।

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Question 2/2 Easy Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 11

प्रयोग में चर पहचानने का सही क्रम कौन सा है?

What is the correct way to identify variables in an experiment?

Explanation opens after your attempt
Correct Answer

A. क्या बदला क्या मापा और क्या समान रखा गयाWhat was changed what was measured and what was kept the same

Step 1

Concept

To identify variables look for the factor changed measured and kept the same. These are the three main roles.

Step 2

Why this answer is correct

The correct answer is A. क्या बदला क्या मापा और क्या समान रखा गया / What was changed what was measured and what was kept the same. To identify variables look for the factor changed measured and kept the same. These are the three main roles.

Step 3

Exam Tip

चर पहचानने के लिए बदला गया मापा गया और समान रखा गया कारक खोजें। यही तीन मुख्य भूमिकाएं हैं।

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