DCMISOCIALSCIENCESCLASSIX

CLASS IX DEMOCRATIC POLITICS

                                Dcm  International School                                Ferozepur City                        Assignment of  Ch-3 Drainage Q.1. What is a River System? Ans . A river along with its tributaries is known as a River System or a Drainage system. Ex. Ganga River System, Indus River System etc. Q.2. Define the term drainage. Ans . The term drainage describes the river system of an area. Q.3. What is a drainage basin? Ans . The area drained by a single river system is called a drainage basin. Q.4. What do you understand by the term Water Divide? Ans. Any elevated area such as a mountain or an upland that separates two drainage basins is called a Water Divide. Ex. Ambala act as a water divide between Indus and Ganga River System. Q.5. Define the following: Ans . a. Drainage Pattern -The pattern formed by a river in a drainage basin depending upon the slope of land, rock structure and also climatic condition is referred to as Drainage