निम्नलिखित में से किस विटामिन की कमी के कारण मसूड़ों से रक्त आता है और दाँत हिलने लगता है ? - Due to the deficiency of which of the following vitamins the gums bleed and the teeth start moving? - NimnLikhit Me Se Kis Vitamin Ki Kami Ke Karan masoodon Se Rakt Aata Hai Aur Dant hilne Lagta Hai ? General Science in hindi, Biology Vitamin B question answers in hindi pdf Vitamin Si questions in hindi, Know About Vitamin Ai General Science online test General Science notes in hindi quiz book Vitamin D