The depth of Gangetic alluvial soil below the land surface is about –
Correct Answer:
(A)
6000 meter
According to Oldham the depth of Gangetic alluvial soil below the land surface is about 4000-6000 meters and according to Glany, it is about 2000 meters.
Ques:
32
Identify the only tributary of River Ganges which rises in the plains.
Correct Answer:
(C)
Gomti
The Gomti river originates from Gomat Taal which was formally known as Fulhaar Lake, near Pilibhit district in Uttar Pradesh. It is the only tributary of River Ganges which rises in the plains.
Ques:
33
Among the following tributaries, which one is the part of the Ganga River basin?
Correct Answer:
(D)
None of the above/More than one of the above
North Koel is a river flowing from Jharkhand, a tributary of the Son River, it joins the right bank of the Son River. The Son River is the second largest (first Yamuna) tributary of the Ganges River from the southern part of the Ganges near Patna.
The southern Koel River flows into Jharkhand and Odisha. The southern Koel River flows in association with the Northern Karo River as the Koel River, which joins the Sankh River near Rourkela in Odisha as the Brahmani River. The Barakar River is the main tributary of the Damodar River, which originates from the Koderma Plateau in Jharkhand and Joins Damodar via Hazaribagh. Damodar joins the Hooghly River in the lower Ganges basin. The Damodar River Basin is a sub-basin of the Ganges River Basin. Thus, Barakar and North Koel are sub-rivers of the Ganges River valley. Hence the correct answer to this question is option (d).
Ques:
34
Which one of the following rivers is NOT the part of Indian Ganga River basin?
Correct Answer:
(D)
Jonk river
The Jonk river is a tributary of the Mahanadi, which flows through the states of Odisha and Chhattisgarh in India.
Ques:
35
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:
36
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:
37
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:
38
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:
39
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.
Ques:
40
Which one of the following rivers is called the Ganga of the South?
Correct Answer:
(A)
Cauvery
Cauvery river is known as the Ganga of the South. Cauvery emerges from Brahmagiri hills in the Western Ghat mountain range. The Godavari is called 'Boodhi (old) Ganga' or Dakshin Ganga.