जनसंख्या वृद्धि क्या है? जनसंख्या वृद्धि को प्रभावित करने वाले विभिन्न कारकों का वर्णन करें। "J" आकार और "S" आकार के वृद्धि वक्र के बीच अंतर करें और उदाहरण दें। (What is population growth? Delineate different factors affecting population growth. Distinguish between “J” shaped and “S” shaped growth curve with examples.) (UPSC 2018,15 Marks,)

What is population growth? Delineate different factors affecting population growth. Distinguish between “J” shaped and “S” shaped growth curve with examples.