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scientific-practice MCQ Questions for Class 9

scientific-practice 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 scientific-practice.

Question 1/2 Expert Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 7

किस स्थिति में परिणाम की पुनरुत्पादकता सिद्ध नहीं मानी जाएगी?

In which situation would reproducibility not be demonstrated?

Explanation opens after your attempt
Correct Answer

A. वही छात्र उसी उपकरण से तुरंत परीक्षण दोहराएThe same student immediately repeats the test using the same instrument

Step 1

Concept

Repetition by the same student shows repeatability but not independent reproducibility. Testing by another person or group is needed.

Step 2

Why this answer is correct

The correct answer is A. वही छात्र उसी उपकरण से तुरंत परीक्षण दोहराए / The same student immediately repeats the test using the same instrument. Repetition by the same student shows repeatability but not independent reproducibility. Testing by another person or group is needed.

Step 3

Exam Tip

एक ही छात्र का दोहराव पुनरावृत्तता दिखाता है लेकिन स्वतंत्र पुनरुत्पादकता नहीं। अलग व्यक्ति या समूह द्वारा परीक्षण आवश्यक है।

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Question 2/2 Expert Science Exploration: Entering the World of Secondary Science Scientific questions and observations Class 9 Level 5

किस वैज्ञानिक अभ्यास से किसी अवलोकन की पुनरुत्पादकता जांची जा सकती है?

Which scientific practice can test the reproducibility of an observation?

Explanation opens after your attempt
Correct Answer

A. उसी विधि को अन्य व्यक्ति द्वारा दोहरानाHaving another person repeat the same method

Step 1

Concept

Obtaining similar results when another person follows the same method demonstrates reproducibility. Record the method clearly.

Step 2

Why this answer is correct

The correct answer is A. उसी विधि को अन्य व्यक्ति द्वारा दोहराना / Having another person repeat the same method. Obtaining similar results when another person follows the same method demonstrates reproducibility. Record the method clearly.

Step 3

Exam Tip

अन्य व्यक्ति द्वारा समान विधि से समान परिणाम पाना पुनरुत्पादकता दर्शाता है। विधि स्पष्ट रूप से दर्ज करें।

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