The Brahmaputra, Irrawaddy and Mekong Rivers originate in Tibet narrow and flow in parallel mountain ranges in their upper reaches. Of these rivers, Brahmaputra makes a “U” turn in its course to flow into India. This “U” turn is due to?
Uplift of folded Himalayan ranges.
Correct Answer:
(B)
Geo-tectonic disturbance in the tertiary folded mountain chains.
The Himalayan Mountain on their western and eastern extremities are sharply bend southward in deep knee-bend flexures that are called syntaxial bends. Almost hairpin bend occurs on the eastern limit of Arunachal Pradesh, where the mountain changes sharply from the easterly to southerly trend.
Ques:
2
Manas is the tributary of river:
Correct Answer:
(D)
Brahamaputra
Manas is the tributary of Brahamputra river. Other, major tributary of Brahmaputra are – Tista, Kameng, Subansiri, Dhansari, Burhi Dihing, Dibang, and Kopili. Brahmaputra is known as Tsangpo or Sanpu in Tibet, Dihang in Arunachal Pradesh, Brahmaputra in Assam and Jamuna in Bangladesh. Brahmaputra river flows through Tibet region of China, India, and Bangladesh.
Ques:
3
The catchment area of river Brahmaputra is –
Correct Answer:
(A)
Tibet, Bangladesh, India
The catchment area of river Brahmaputra is Tibet (China), Bangladesh, India and Bhutan.
Ques:
4
Which of the following is/are tributary/tributaries of Brahmaputra?
Select the correct answer using the code given below:
Correct Answer:
(D)
1, 2 and 3
The tributaries of Brahmaputra River are Kameng, Sankosh, Raidak, Amochu, Dibang, Lohit, and Burhi dihing rivers. Thus, all the given tributaries are correct. Dibang river flow across Dibang Valley district of Arunachal Pradesh, Kameng river also flows in Arunachal Pradesh while the Lohit River originates in eastern Tibet and surges through Arunachal Pradesh.
Ques:
5
Which of the following rivers have almost the same point of the beginning?
Correct Answer:
(C)
Brahmaputra and Indus
The Tibetan Plateau is also known in China as the Qinghai-Tibat Plateau or the Qingzang. With an average elevation exceeding 4,500 meters, the Tibetan Plateau is also called "the Roof of the World". The rivers originating from this 2.5 million sq. km. plateau are the Yangtze, Huang He (Yellow River), Mekong, Indus, Satluj, Brahmaputra, and Irrawaddy. Hence, it is clear that Brahmaputra and Indus originate from the Tibetan Plateau.
Ques:
6
Given below are two statements, one is labelled as Assertion (A) and other as Reason (R):
Assertion (A): Teesta River was earlier a tributary of Ganga now it is a tributary of Brahmaputra.
Reason (R): River capturing is a major feature of Himalayan rivers.
Select the correct answer using the codes given below.
Codes:
(A) and (R) are true and (R) is correct explanation of
(A)
Correct Answer:
(A)
and (R) are true, but (R) is not correct explanation of
Around 300 years ago, the Teesta was a tributary of the Ganga and now it is a tributary of Brahmaputra. River capture is a natural process which is more active in the youthful stage of the valley development because the streams are actively engaged in head-ward erosion and valley lengthening but river capture also occurs during mature and senile stages of the valley development through the process of lateral erosion and meander intersection.
Ques:
7
Which of the following rivers passes through a rift valley?
Correct Answer:
(C)
Tapi
The Tapi river passes through the rift valley. The river originates at Multai in Betul district in the Satpura Mountain Ranges in Madhya Pradesh. The river flows through the states of Maharashtra, Madhya Pradesh, Gujarat and falls into the Arabian Sea.
Ques:
8
Which of the following districts is part of Narmada basin?
Correct Answer:
(A)
Rajanandgaon
Among the above districts of Chhattisgarh, 6% part of Rajnandgaon district falls in the basin of the Narmada River. Raipur, Korba, and Bastar are not part of this basin. Most of this basin lies in Maharashtra, Madhya Pradesh and Gujarat.
Ques:
9
Which one of the following rivers originates at Amarkantak?
Correct Answer:
(C)
Narmada
Originating at the Amarkantak Hill, the Narmada River flows westwards over a length of 1,312 km before falling through the Gulf of Cambay into the Arabian Sea. It passes through rift valley between Vindhyan and Satpura ranges. Damodar river: Damodar River begins near Chandwa village in Latehar district on the Chota Nagpur Plateau in Jharkhand. Mahanadi river: This river originates near Sihawa in Raipur district, Chhattisgarh. Hirakund dam, one of the longest dams of the world, is located on this river near Sambalpur, Odisha. Tapti River - It originates in Betul district of Madhya Pradesh. Surat is situated on the bank of this river.
Ques:
10
Amritdhara waterfall is on which river?
Correct Answer:
(D)
Hasdeo river
Amritdhara falls is a natural waterfall located in Koriya district in Chhattisgarh. Its origin is from the Hasdeo river which is a tributary of the Mahanadi River with a height of 27.4 metres.