Origin of India's External Drainage Systems

Q.

Name the longest river in India.

1. Brahmaputra

2. Ganga

3. Yamuna

4. Narmada

Q.

What is meant by a water divided? Give an example.

Q.

The Ganga runs from Gangotri through a hundred towns and cities in

1. Uttar Pradesh.

2. Uttar Pradesh and Bihar.

3. Uttar Pradesh, Bihar, and West Bengal.

4. Uttar Pradesh, West Bengal, and Haryana.

Q.

Define water divide. What are the different patterns of flow made by a river?

Q. Differentiate between himalayan rivers and peninsular rivers

Q. The Indus river deposits around ______ of silt into the Arabian Sea annually.

1. six hundred million tons
2. five hundred million tons
3. three hundred million tons
4. four hundred million tons

Q. Name two man made and two natural features in 9580.

Q. Peninsular rivers are perennial rivers.

1. True
2. False

Q. Rivers in the external drainage system, generally originate from the highlands between two river-systems known as water divide or watershed.

1. True
2. False

Q. Coastal plains of India includes ________________.

1. Andhra region
2. Tamilnadu coast
3. Both a and b
4. none of these

Q. Select the correct options with respect to the rivers of the external drainage system in India.

1. Himalayan rivers are longer in length, have more water, and have a larger catchment area as compared to their peninsular counterparts.
2. Peninsular rivers flow through hard rocks and hence deposit more silt than Himalayan rivers in the oceans annually.
3. Himalayan rivers are perennial while peninsular rivers are seasonal.
4. Himalayan rivers make small deltas while peninsular rivers make larger deltas.