Explanation: The Andaman and Nicobar Islands are a group of islands located in the Bay of Bengal, forming a union territory of India. These islands are known for their unique geographical features, including several rivers that are significant to the local ecosystem and the inhabitants. Among these rivers, the Kalpong and Alexandra rivers are the most prominent.
The Kalpong River is one of the longest rivers in the Andaman and Nicobar Islands, located on North Andaman Island. It flows through dense forests and provides water resources for the local communities. The Alexandra River, also located on North Andaman Island, is another significant river that contributes to the ecological balance of the region.
It is important to note that the rivers of the Andaman and Nicobar Islands are distinct from those found on the Indian mainland. Rivers such as the Tapi, Krishna, and Tungabhadra, mentioned in the incorrect options, are located on the Indian mainland and are not related to the geography of the Andaman and Nicobar Islands. These rivers are part of the river systems in the states of Maharashtra, Gujarat, Karnataka, Telangana, and Andhra Pradesh.
Understanding the specific rivers of the Andaman and Nicobar Islands is crucial for comprehending the geographical and ecological features of the region. The Kalpong and Alexandra rivers play a vital role in the local ecosystem, supporting biodiversity and providing essential resources for the inhabitants. Therefore, the correct answer is (A) Kalpong, Alexandra, as these are the major rivers of the Andaman and Nicobar Islands.