Beyond the giant river systems lie crucial minor rivers and inland drainage channels. This topic explores localized water bodies that are essential for regional ecosystems and irrigation.
In which of the following rivers, the upper course contains freshwater but saline water flowing at the lower part?
Correct Answer:
(B) Luni river
In the Luni River, the upper course contains freshwater but saline water flowing at the lower part. Luni River is the largest river in the Thar Desert. It originates in the Pushkar valley of the Aravalli Range, near Ajmer, passes through the southeastern portion of the Thar Desert, and ends in the marshy lands of Runn of Kutch in Gujarat.
Ques: 2
Which of the following rivers is an example of the superimposed river?
Correct Answer:
(C) Chambal
Superimposed stream or river does not follow slopes of the lithosphere. The stream erodes through rocks and retains its course and pattern despite changes in the underlying rocks. Chambal and Son are the best examples of superimposed rivers in India.
Ques: 3
Sankosh river forms the boundary between –
Correct Answer:
(C) Assam and West Bengal
Sankosh river originates in northern Bhutan (where it is known as Puna Tsang Chhu) and flows into Brahmaputra River near the border of Assam and Bangladesh. It forms the boundary between Assam and West Bengal.
Ques: 4
Which of the following rivers of India crosses the tropic of cancer twice?
Correct Answer:
(A) Mahi
Mahi River crosses the Tropic of Cancer twice. It originates in Madhya Pradesh and flowing through Rajasthan, Gujarat falls in the Gulf of Khambhat.
Ques: 5
Mithi river of Mumbai originates from which of the following lakes?
Correct Answer:
(B) Vihar Lake
Mithi river originates from Vihar Lake in Mumbai. After flowing 2 km, the water of Powai Lake also merges in the streams. It traverses over a distance of 18 km and falls into the Arabian Sea near the Bay of Mahim.