यदि दो समूहों में अलग प्रकार की मिट्टी जाँची जा रही हो तो कौन सा कारक समान रखना चाहिए?
If two types of soil are being tested in different groups which factor should be kept the same?
Explanation opens after your attempt
Correct Answer
A. बीजों की संख्याNumber of seeds
Concept
Soil type is being changed so the number of seeds should remain the same. Identify controlled variables.
Why this answer is correct
The correct answer is A. बीजों की संख्या / Number of seeds. Soil type is being changed so the number of seeds should remain the same. Identify controlled variables.
Exam Tip
मिट्टी का प्रकार बदला जा रहा है इसलिए बीजों की संख्या समान रखनी चाहिए। परीक्षा में नियंत्रित चर पहचानें।
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