HomeGeneral KnowledgeThe major ingredient of leather is 4560. The major ingredient of leather isBy Admin / September 19, 2025 A. collagen B. carbohydrate C. polymer D. nucleic acid ✅ The correct answer is option A.
1. In which field is the Dhanwantri Award given? Leave a Comment / Awards and Honours MCQs, General Knowledge / By Admin
2. Which of the following awards was conferred on Mrs. Kiran Bedi? Leave a Comment / Awards and Honours MCQs, General Knowledge / By Admin