Read the given paragraph and answer the following questions.

The Ganga River System, originating from the Gangotri Glacier in the Himalayas, extensively impacts India's socio-economic and cultural landscapes, covering a journey of over 2,525 kilometers. It flows through significant states, including Uttarakhand, Uttar Pradesh, Bihar, Jharkhand, and West Bengal, before culminating in the Bay of Bengal. This mighty river is crucial for biodiversity, irrigation, navigation, and hydroelectric power. It holds immense spiritual significance in Hinduism, viewed as a sanctifier. Yet, it faces critical challenges such as pollution and unsustainable use, necessitating immediate conservation actions. Home to more than 400 million people, its basin is vital for agriculture, water supply, and sustaining ecological variety. An interesting aspect is the Ganga River's dendritic drainage pattern, observable in accompanying maps, indicating a tree-like branching system of tributaries. This includes left bank tributaries like the Yamuna, Gomti, Ghaghara, Gandak, and Kosi, contributing greatly to its volume and right bank tributaries such as the Son, enhancing its complexity. Initiatives like the Namami Gange Programme underscore efforts toward the river's restoration and protection, marking an essential component of studies related to India’s river systems for government exams.