एक छात्र मिट्टी के प्रकार का पौधे की वृद्धि पर प्रभाव जांचता है। स्वतंत्र चर कौन सा है?
A student tests the effect of soil type on plant growth. What is the independent variable?
Explanation opens after your attempt
C. मिट्टी का प्रकारType of soil
Concept
The type of soil is deliberately changed. Therefore it is the independent variable.
Why this answer is correct
The correct answer is C. मिट्टी का प्रकार / Type of soil. The type of soil is deliberately changed. Therefore it is the independent variable.
Exam Tip
मिट्टी का प्रकार जानबूझकर बदला जाता है। इसलिए यह स्वतंत्र चर है।
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