Concept-wise Practice

precise-hypothesis MCQ Questions for Class 9

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

Practice Questions

1 questions tagged with precise-hypothesis.

एक परिकल्पना कहती है कि पानी का तापमान बढ़ने पर चीनी तेजी से घुलेगी। इसे अधिक स्पष्ट बनाने के लिए कौन सा सुधार सर्वोत्तम है?

A hypothesis states that sugar will dissolve faster as water temperature increases. Which improvement would make it more precise?

Explanation opens after your attempt
Correct Answer

D. यदि पानी का तापमान बढ़ेगा तो समान मात्रा की चीनी के घुलने का समय घटेगाIf water temperature increases then the time for an equal amount of sugar to dissolve will decrease

Step 1

Concept

The improved statement clearly identifies both the independent variable and measured outcome. In exams make hypotheses measurable.

Step 2

Why this answer is correct

The correct answer is D. यदि पानी का तापमान बढ़ेगा तो समान मात्रा की चीनी के घुलने का समय घटेगा / If water temperature increases then the time for an equal amount of sugar to dissolve will decrease. The improved statement clearly identifies both the independent variable and measured outcome. In exams make hypotheses measurable.

Step 3

Exam Tip

सुधारित कथन स्वतंत्र चर और मापे जाने वाले परिणाम दोनों को स्पष्ट करता है। परीक्षा में परिकल्पना को मापनीय बनाएँ।

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