Explanation:

This question tests knowledge of major Indian rivers and their respective places of origin, requiring identification of the incorrectly matched pair. - **Option (A) Ganga - Gaumukh Glacier:** This pair is correctly matched. The Bhagirathi, which is considered one of the primary headstreams of the Ganga, originates from the Gangotri Glacier at Gaumukh in the Uttarakhand Himalayas. The Ganga proper forms after its confluence with the Alaknanda at Devprayag. - **Option (B) Yamuna - Yamunotri:** This pair is correctly matched. The Yamuna River originates from the Yamunotri Glacier, which is located on the southwestern slopes of the Bandarpunch peak in the Lower Himalayas, Uttarakhand. - **Option (C) Sharada - Koniyala:** This pair is correctly matched. The Sharda River, also known as the Mahakali River or Kali Ganga, originates from the Kalapani region in the Himalayas, near the Lipulekh Pass. Its source is indeed associated with the Koniyala region. - **Option (D) Ghaghara - Marcha Chungu:** This is the mismatched pair, making it the correct answer to the question. The Ghaghara River, known as the Karnali in Nepal, originates from the Mapchachungo glacier (or Mapcha Chungu) in the Tibetan Plateau, specifically near Lake Manasarovar. The option states 'Marcha Chungu', which is either a slight misspelling, a less common variant of the name, or an intentional inaccuracy compared to the widely accepted 'Mapchachungo Glacier'. Given the precision of the other three options, this variation indicates a mismatch.\nTherefore, the mismatched pair is Ghaghara - Marcha Chungu.