Explanation: Goa, a state in western India, is known for its diverse geography, which includes several rivers that play a significant role in its landscape and economy. Among these rivers, the Madovi and Zuari rivers are the most prominent.
The Madovi river, also known as the Mandovi river, is one of the major rivers in Goa. It originates in the Western Ghats and flows through the heart of Goa, eventually merging with the Zuari river to form the estuary of the Mandovi-Zuari system. The Madovi river is crucial for irrigation, transportation, and supporting the local ecosystem. It is also a popular site for water sports and tourism activities.
The Zuari river is another significant river in Goa. It originates in the Western Ghats and flows parallel to the Madovi river before joining it near the coast. The Zuari river is also important for irrigation and supports a rich biodiversity, including mangrove forests. The estuary formed by the confluence of the Madovi and Zuari rivers is a vital part of Goa's coastal ecosystem and is known for its rich marine life and bird sanctuaries.
It is important to note that while there are other smaller rivers and streams in Goa, the Madovi and Zuari rivers are the most significant in terms of their impact on the state's geography and economy. Other rivers in Goa, such as the Terekhol and Chapora, are smaller and do not have the same level of importance as the Madovi and Zuari rivers.
The Bhagirathi river, mentioned in option C, is not a river that flows through Goa. It is located in the state of West Bengal and is a tributary of the Ganges. This river is not relevant to the geography of Goa and is therefore an incorrect option.
In conclusion, the correct answer is option D, which correctly identifies both the Madovi and Zuari rivers as the major rivers flowing through Goa. Understanding the geography of Goa, including its rivers, is essential for comprehending the state's natural resources, economic activities, and ecological significance.