केंचुए मिट्टी की गुणवत्ता कैसे सुधारते हैं?
How do earthworms improve soil quality?
Explanation opens after your attempt
A. वे मिट्टी को मिलाते और वायु संचार बढ़ाते हैंThey mix soil and increase aeration
Concept
Earthworms make burrows and make soil crumbly. Exam tip: understand earthworms as soil mixers.
Why this answer is correct
The correct answer is A. वे मिट्टी को मिलाते और वायु संचार बढ़ाते हैं / They mix soil and increase aeration. Earthworms make burrows and make soil crumbly. Exam tip: understand earthworms as soil mixers.
Exam Tip
केंचुए सुरंगें बनाकर मिट्टी को भुरभुरी करते हैं। परीक्षा में earthworms को soil mixers समझें।
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