लाल मिट्टी के सम्बन्ध में निम्नलिखित में से कौनसा कथन असत्य है ? - Which of the following statements regarding red soil is false? - Laal Mitti Ke Sambandh Me NimnLikhit Me Se Kaunsa Kathan Asatya Hai ? Bihar Gk in hindi, Land and Soil Is Mitti Me Lauh Tatv Ki Adhikta Hoti Hai question answers in hindi pdf Is Mitti Me Urvara Shakti Kam Pai Jati Hai questions in hindi, Know About Is Mitti Ka Nirmann Aagney Aur Rupantarit Chattanon Ke Vighatan Se Hua Hai Bihar Gk online test Bihar Gk notes in hindi quiz book Uparyukt Me Se Koi Nahi