किस विकल्प में स्वतंत्र चर दिया गया है?
Which option gives an independent variable?
Explanation opens after your attempt
Correct Answer
D. खाद की बदली गई मात्राChanged amount of fertiliser
Concept
The amount of fertiliser is deliberately changed. Therefore it is the independent variable.
Why this answer is correct
The correct answer is D. खाद की बदली गई मात्रा / Changed amount of fertiliser. The amount of fertiliser is deliberately changed. Therefore it is the independent variable.
Exam Tip
खाद की मात्रा जानबूझकर बदली गई है। इसलिए यह स्वतंत्र चर है।
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