मृदा निर्माण में खनिज पदार्थों का मुख्य स्रोत क्या है?
What is the main source of mineral matter in soil formation?
Explanation opens after your attempt
B. मूल शैलParent rock
Concept
Parent rock breaks down to form mineral particles. Therefore it is called the base material of soil.
Why this answer is correct
The correct answer is B. मूल शैल / Parent rock. Parent rock breaks down to form mineral particles. Therefore it is called the base material of soil.
Exam Tip
मूल शैल के टूटने से खनिज कण बनते हैं। इसलिए इसे मृदा का आधार पदार्थ कहते हैं।
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