Class 9th Social Science Worksheet PDF

Class 9^th^ Social science Worksheet **Multiple choice questions** 1. Total length of River Ganga drainage basin in over:- a. 2700 b. 2500 c. 2900 d. None of these 2. The dibang and lohit are the tributaries of river\_\_\_\_\_\_\_\_\_\_. e. Narmada f. G...

Class 9^th^ Social science Worksheet **Multiple choice questions** 1. Total length of River Ganga drainage basin in over:- a. 2700 b. 2500 c. 2900 d. None of these 2. The dibang and lohit are the tributaries of river\_\_\_\_\_\_\_\_\_\_. e. Narmada f. Ganga g. Yamuna h. Bhramaputra 3. Name the biggest waterfall made by river Kaveri i. Dal lake j. Chilika k. Shivasamudram l. None of these Correct and rewrite 4. Godavari is the smallest peninsular river. 5. The length of the River krishna is 1200 km. **Assertion -- Reason Questions** m. Both A and R are true and R is the correct explanation of A. n. Both A and R are true and R is not the correct explanation of A. o. A is correct and R is wrong. p. A is wrong and R is right. 6. **Assertion (A)** : The Tapi rises in the satpura ranges in the Betul district of Maharashtra. **Reason ( R) :** It also flow in a rift valley parallel to the Narmada but it is much shorter in length. 7. **Assertion (A) :** Rising from a spring near Mahabaleshwar, the krishna flow for about 1200 km and reaches Arabian sea. **Reason (. R) :** The tungbhadra ,the koyana ,the ghatprabha, the musi and the bhima are some of its tributaries. **Very short answer questions** 8. What is a drainage basin ? 9. By what name is Brahmaputra known in Tibet and Bangladesh? 10. What do you know about the Mahanadi river? **Short answer type questions** 11. Prepare a short note on the Sundarban delta. 12. Give main characteristics of the Ganga River System. 13. Explain any three causes of river pollution in India. **Long Answer type questions** 14. Explain the importance of lakes. 15. Explain the Ganga river system.