Himalayan rivers joining the Ganga downstream of Prayagraj

Answer: (b) Gomati-Ghaghara-Gandak-Kosi

Topic: Indian Geography – Rivers

Explanation: From NCERT Textbook: The Ganga is joined by many tributaries from the Himalayas, a few of them being major rivers, such as the Yamuna, the Ghaghara, the Gandak and the Kosi. The river Yamuna rises from the Yamunotri Glacier in the Himalayas. It flows parallel to the Ganga and as a right bank tributary meets the Ganga at Allahabad. The Ghaghara, the Gandak and the Kosi rise in the Nepal Himalaya.

he Ganga river receives many tributaries from the Himalayas, including major rivers such as the Yamuna, Ghaghara, Gandak, and Kosi. These rivers join the Ganga downstream of Prayagraj, from west to east, in the following order:

Yamuna: Originates from the Yamunotri glacier and joins the Ganga at Prayagraj, on the right bank.
Gomti: A left bank tributary that merges into the Ganga downstream of Varanasi
Ghaghara: A left bank tributary that merges before Patna into the Ganga downstream of Varanasi
Gandak: Joins the Ganga at Patna
Kosi: Joins the Ganga further downstream

Other Himalayan rivers that join the Ganga include the Ramganga, Sai, Sarda, Rapti, Burhi Gandak, and Bagmati.

Source(s): NCERT Geography Textbook: Drainage System

Difficulty level: Easy as straight forward from NCERT Textbook