UPSC CSE Prelims
Question 42
Which of the following geographical features or phenomena is/are associated with the Peninsular Block of India?
- Submergence of parts of the western coast due to tectonic activity
- Presence of residual mountain ranges such as the Veliconda hills and Mahendragiri hills
- Deep, V-shaped river valleys formed by fast-flowing rivers
Select the answer using the code given below :
View correct answer and explanation
Correct answer: B
Correct Option: B
Explanation: India’s Peninsular Block is an ancient shield with residual hills and tectonically affected coasts; most peninsular valleys are relatively broad and mature.
Statement-wise Analysis:
Statement 1: Correct - Tectonics and coastal subsidence help explain some submerged features along the western margin.
Statement 2: Correct - The Veliconda and Mahendragiri uplands form part of the old peninsular relief.
Statement 3: Incorrect - Deep, youthful V-shaped valleys are more typical of actively uplifting Himalayan rivers than the mature peninsular landscape.
Option-wise Analysis:
A: Incorrect - Omits supported item(s) 2.
B: Correct - This option includes the supported item(s) and excludes the unsupported ones.
C: Incorrect - Includes unsupported item(s) 3 and omits supported item(s) 1.
D: Incorrect - Includes unsupported item(s) 3 and omits supported item(s) 1, 2.