मिट्टी की ऊपरी परत में जैविक पदार्थ अधिक क्यों होता है?
Why is organic matter higher in the top layer of soil?
Explanation opens after your attempt
D. क्योंकि पौधों के अवशेष ऊपर ही अधिक मिलते हैंBecause plant remains are mostly added at the surface
Concept
Leaves and organism remains are added to the top layer. Exam tip: understand topsoil as a humus-rich layer.
Why this answer is correct
The correct answer is D. क्योंकि पौधों के अवशेष ऊपर ही अधिक मिलते हैं / Because plant remains are mostly added at the surface. Leaves and organism remains are added to the top layer. Exam tip: understand topsoil as a humus-rich layer.
Exam Tip
ऊपरी परत में पत्तियां और जीव अवशेष मिलते हैं। परीक्षा में topsoil को humus rich परत समझें।
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