Correct option is A
Introduction
A radial drainage pattern develops when streams flow outward in all directions from a central elevated point, such as a volcanic cone, dome, or isolated hill.
Information Booster
(A) Drainage on Girnar Hills (Gujarat) ✔ (Correct Answer)
- Girnar Hills are an isolated igneous hill mass in Gujarat.
- Rivers originate near the summit and flow radially outward in different directions.
- It is a classic Indian example of a radial drainage pattern.
✔ Correct Answer
Why the other options are incorrect?
(B) Shyamak Hill drainage (Rajasthan) ✘
- Not recognized as a classic example of radial drainage.
(C) Pachmarhi Hill drainage (Madhya Pradesh) ✘
- Streams are influenced by the Satpura structural features and do not form the classic radial pattern.
(D) Bhima River (Maharashtra) ✘
- The Bhima is a major tributary of the Krishna River and follows a dendritic to sub-dendritic drainage pattern rather than radial.
Additional Knowledge
Major Drainage Patterns
Drainage Pattern | Develops On | Example |
|---|---|---|
Dendritic | Uniform rocks | Most Peninsular rivers |
Radial | Dome, volcanic cone, isolated hill | Girnar Hills, Amarkantak Plateau |
Trellis | Folded terrain | Appalachian-type regions |
Rectangular | Jointed and faulted rocks | Vindhyan region |
Annular | Structural domes and basins | Eroded domes |
Centripetal | Inland basins | Sambhar Lake basin |