HomeGeneral KnowledgeThe longest era of the classification of the history of earth is 4200. The longest era of the classification of the history of earth isBy Admin / September 19, 2025 A. Cainozoic era B. Pre-Cambrian era C. Palaeozoic era D. Mesozoic era ✅ The correct answer is option B.
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