Fri. Jan 10th, 2025

Drainage System and Patterns

  1. What is the evidence that enables investigators to identify the captured streams in the field?

    Options:
    1. Gorge and waterfall
    2. Waterfall and wind gap
    3. Elbow of capture and wind gap
    4. Elbow of capture and gorge

    Option: C

  2. What happens to the erosional work of the beheaded stream?

    Options:
    1. It increases
    2. It decreases
    3. It remains the same
    4. It disappears

    Option: B

  3. What is the name given to streams of reversed flow direction?

    Options:
    1. Beheaded streams
    2. Captor streams
    3. Inverted streams
    4. Consequent streams

    Option: C

  4. What is the name of the head tributary of the Kosi river that has captured the Phung Cho?

    Options:
    1. Arun
    2. Kos
    3. Tsa
    4. Brahmaputra

    Option: A

  5. Which two tributaries of the Ganga have captured the source tributaries of the Sutlej river?

    Options:
    1. Bhagirathi and Vindhuganga
    2. Sutlej and Yamuna
    3. Ganga and Asan
    4. Song and Yamuna

    Option: A

  6. Which river is expected to capture the Asan river and divert the upper course of the Yamuna river to the Ganga via the Asan and Song rivers?

    Options:
    1. Bhagirathi river
    2. Sutlej river
    3. Asan river
    4. Song river

    Option: D

  7. Which type of erosion becomes more active and significant during the mature stage of river development than vertical erosion?

    Options:
    1. Lateral erosion
    2. Vertical erosion
    3. Valley widening
    4. Valley deepening

    Option: A

  8. What is the process of river capture called when smaller parallel tributaries are consumed by larger parallel streams due to lateral erosion?

    Options:
    1. Stream abstraction
    2. Natural selection
    3. River intersection
    4. River capture

    Option: A

  9. Which type of river capture occurs through the intersection of meanders?

    Options:
    1. Lateral erosion
    2. Valley widening
    3. Stream abstraction
    4. Intersection capture

    Option: D

  10. What is the process through which one river captures the waters of another?

    Options:
    1. Headward erosion
    2. Lateral erosion
    3. Sedimentation
    4. Confluence

    Option: B

  11. Which river has captured the lower course of its tributary, the Seoti river?

    Options:
    1. The Belan river
    2. The Tons river
    3. The Ganga river
    4. The Arabian Sea

    Option: A

  12. What is the result of river capture in the area?

    Options:
    1. The confluence of the Belan and Seoti rivers has shifted upstream
    2. The Belan river has become wider due to sedimentation
    3. The Seoti river has become more powerful
    4. The Tons river has become narrower due to anthropogenic processes

    Option: A

  13. What is the most active process of river capture in the Himalayas and Western Ghats?

    Options:
    1. Sedimentation
    2. Confluence
    3. Headward erosion
    4. Lateral erosion

    Option: C

  14. Which two rivers are currently divided by a narrow water divide in Maharashtra?

    Options:
    1. The Krishna and Godavari rivers
    2. The Savitri and Krishna rivers
    3. The Ganga and Yamuna rivers
    4. The Brahmaputra and Indus rivers

    Option: B

  15. In which regions is the process of river capture more active?

    Options:
    1. The Himalayas and Western Ghats
    2. The coastal plains and Great Northern Plains
    3. The plateaus and high-altitude areas
    4. The deserts and arid regions

    Option: B