The correct option is A-3, B-2, C-1, D-4
Explanation
Major Indian cities have historically developed along river banks due to the availability of water for sustenance, agriculture, and transport. The specific geographical features associated with these cities, such as confluences or riverine ports, are key aspects of Indian physical and human geography.
Detailed Analysis
- A. Allahabad (Prayagraj): This city is situated at the Triveni Sangam, the confluence of the rivers Ganga, Yamuna, and the mythical Saraswati. It is a significant pilgrimage site. Thus, A matches with 3.
- B. Kolkata: Kolkata is located on the eastern bank of the Hooghly River, which is a distributary of the Ganga. It is the only major riverine port in India. Thus, B matches with 2.
- C. Agra: Agra is located on the banks of the River Yamuna. It is globally renowned for the Taj Mahal, which stands on the southern bank of the river. Thus, C matches with 1.
- D. Varanasi: Varanasi (Kashi) is one of the world's oldest continuously inhabited cities, situated on the banks of the River Ganga in Uttar Pradesh. Thus, D matches with 4.
Key Takeaway
Prayagraj is defined by the confluence of the Ganga and Yamuna; Kolkata is a riverine port on the Hooghly; Agra is situated on the Yamuna; and Varanasi is located along the Ganga.