UPSC Prelims Marathon 22 April – 2025

With reference to the Indian drainage system, consider the following statements:
1.The drainage systems discharging into the Arabian Sea and Bay of Bengal are separated by the Delhi Ridge, the Aravalis, and the Sahyadris.
2.The majority of Indian rivers drain into the Arabian Sea.
Which of the statements given above is/are correct?

With reference to the Himalayan rivers, consider the following statements:
1.Himalayan rivers are perennial as they are fed by both snowmelt and precipitation.
2.The rivers in the Himalayan region typically have a straight and stable course due to high altitude gradients.
Which of the statements given above is/are correct?

Consider the following statements about the geomorphic features associated with Himalayan rivers:
1.As Himalayan rivers enter the plains, they form depositional features such as flood plains, ox-bow lakes, and braided channels.
2.The River Kosi is noted for forming gorges and V-shaped valleys in its lower course.
Which of the statements given above is/are correct?

Which of the following statements regarding the Indus River System is/are correct?
1.The Indus River originates near Bokhar Chu in the Kailash range.
2.The Chenab River is formed by the confluence of the Chandra and Bhaga rivers near Tandi in Himachal Pradesh.
3.The Beas River joins the Indus River directly near Harike in Punjab.
Select the correct answer using the codes given below:

Which of the following statements regarding the Ganga River System is/are correct?
1.The Ganga originates from the Gangotri glacier where it is known as Bhagirathi and becomes the Ganga after meeting the Alaknanda at Devprayag.
2.The Son, Chambal, and Ken rivers are the right bank tributaries of the Ganga.
3.The Kosi, Gandak, Ghaghara, and Mahananda are major right bank tributaries of the Ganga.
Select the correct answer using the codes given below:

Which of the following statements regarding the Brahmaputra River System is/are correct?
1.The Brahmaputra originates from the Chemayungdung glacier in the Kailash range and is called Tsangpo in Tibet.
2.After entering India near Sadiya in Arunachal Pradesh, the Brahmaputra is joined by the Lohit and Dibang rivers on its right bank.
3.The Brahmaputra is known as the Jamuna in Bangladesh after being joined by the Tista river on its right bank.
Select the correct answer using the codes given below:

Which of the following statements about the Peninsular Drainage System is/are correct?
1.Most Peninsular rivers have a fixed course, non-perennial flow, and do not form meanders.
2.The Narmada and Tapi rivers are exceptions to the general west-to-east flow as they traverse east to west through rift valleys.
3.The tilting of the Peninsular block towards the northwest oriented the drainage system towards the Arabian Sea.
Select the correct answer using the codes given below:

Which of the following statements regarding the major Peninsular rivers is/are correct?
1.The Godavari is the longest Peninsular river and is also known as the Dakshin Ganga.
2.The Kaveri River originates in the Brahmagiri hills of Karnataka and flows through Kerala and Tamil Nadu.
3.The Luni River is a perennial river of western Rajasthan which drains into the Arabian Sea.
Select the correct answer using the codes given below: