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The Dibang River originates in the Mishmi Hills and flows exclusively through the Upper Dibang Valley district.
Answer: False
Explanation: While the Dibang River originates in the Mishmi Hills, its drainage basin covers both the Upper Dibang Valley and Lower Dibang Valley districts, not exclusively the Upper Dibang Valley.
Keya pass, situated on the Indo-Chinese border, marks the origin point of the Dibang River.
Answer: True
Explanation: The Dibang River's origin is precisely located near Keya pass, which is on the Indo-Chinese border in the Upper Dibang Valley district.
The drainage basin of the Dibang River is confined solely to the Upper Dibang Valley district within Arunachal Pradesh.
Answer: False
Explanation: The drainage basin of the Dibang River in Arunachal Pradesh covers both the Upper Dibang Valley and Lower Dibang Valley districts.
The Mishmi Hills are located in the upper course of the Dibang River and are an integral part of the Eastern Himalayas.
Answer: True
Explanation: The Mishmi Hills are indeed situated in the upper course of the Dibang River and are part of the Eastern Himalayas.
The Dibang River transitions from the hills to the plains at locations such as Sadiya and Kobo Chapori.
Answer: False
Explanation: The Dibang River enters the plains at Bomjir and Dambuk, not Sadiya and Kobo Chapori.
According to the infobox, Dri is identified as the primary source of the Dibang River.
Answer: True
Explanation: The infobox explicitly states that Dri is the primary source of the Dibang River.
Which Indian state serves as the primary geographical location for the Dibang River?
Answer: Arunachal Pradesh
Explanation: The Dibang River is primarily located in the Indian state of Arunachal Pradesh.
Where does the Dibang River originate?
Answer: Near Keya pass on the Indo-Chinese border
Explanation: The Dibang River originates near Keya pass, which is situated on the Indo-Chinese border.
Which two districts in Arunachal Pradesh are encompassed by the Dibang River's drainage basin?
Answer: Upper Dibang Valley and Lower Dibang Valley
Explanation: The drainage basin of the Dibang River covers both the Upper Dibang Valley and Lower Dibang Valley districts in Arunachal Pradesh.
What significant hill range is found in the upper course of the Dibang River?
Answer: Mishmi Hills
Explanation: The Mishmi Hills are located in the upper course of the Dibang River and are part of the Eastern Himalayas.
At which pair of locations does the Dibang River transition from its hilly terrain to the plains?
Answer: Bomjir and Dambuk
Explanation: The Dibang River enters the plains at Bomjir and Dambuk.
The Dibang River is an upstream tributary of the Brahmaputra River, contributing to the larger system.
Answer: True
Explanation: The Dibang River is explicitly identified as an upstream tributary of the Brahmaputra River, feeding into its extensive system.
Between Bomjir (Nizamghat) and Sadiya, the Dibang River is characterized by a steep river gradient and a braided channel morphology.
Answer: True
Explanation: The section of the Dibang River between Bomjir (Nizamghat) and Sadiya is characterized by a steep gradient and a braided channel morphology.
The typical width of the Dibang River in its braided channel section ranges from 1 to 2 kilometers.
Answer: False
Explanation: The typical width of the Dibang River in its braided channel section ranges from 4 to 9 kilometers.
Frequent course changes of the Dibang River primarily lead to increased agricultural productivity along its banks.
Answer: False
Explanation: Frequent course changes of the Dibang River primarily result in flooding and the destruction of cultivable land and forests, not increased agricultural productivity.
The total length of the Dibang River, according to the infobox, is 195 kilometers.
Answer: False
Explanation: According to the infobox, the total length of the Dibang River is 324 kilometers (201 miles), while 195 kilometers is the length of a specific segment.
The basin size of the Dibang River is approximately 5,380 square miles.
Answer: True
Explanation: The basin size of the Dibang River is stated as 13,933 square kilometers, which is equivalent to 5,380 square miles.
The Dibang River is an independent river system and does not belong to a larger one.
Answer: False
Explanation: The Dibang River is an integral part of the larger Brahmaputra River system, not an independent system.
What is the hydrological relationship of the Dibang River to the Brahmaputra River?
Answer: It is an upstream tributary.
Explanation: The Dibang River is an upstream tributary of the Brahmaputra River, contributing its waters to the larger system.
What is a key characteristic of the Dibang River's morphology between Bomjir (Nizamghat) and Sadiya?
Answer: A steep river gradient and a braided channel morphology.
Explanation: Between Bomjir (Nizamghat) and Sadiya, the Dibang River is characterized by a steep river gradient and a braided channel morphology.
What is the typical width of the Dibang River in its braided channel section?
Answer: 4 to 9 kilometers
Explanation: The typical width of the Dibang River in its braided channel section ranges from 4 to 9 kilometers.
What is a primary consequence of the Dibang River frequently changing its course?
Answer: Flooding and destruction of cultivable land and forests.
Explanation: Frequent course changes of the Dibang River lead to flooding and the destruction of cultivable land and forests along its banks.
According to the infobox, what is the total length of the Dibang River?
Answer: 324 kilometers
Explanation: The infobox states the total length of the Dibang River as 324 kilometers (201 miles).
What is the total basin size of the Dibang River?
Answer: 13,933 square kilometers
Explanation: The total basin size of the Dibang River is 13,933 square kilometers (5,380 square miles).
The Dibang River's segment length before merging with the Lohit River is stated as:
Answer: 195 kilometers (121 miles)
Explanation: The Dibang River's segment length before merging with the Lohit River is stated as 195 kilometers (121 miles).
The Dibang River merges with the Lohit River north of the Dibru-Saikhowa sanctuary near Sadiya.
Answer: True
Explanation: The Dibang River indeed merges with the Lohit River north of the Dibru-Saikhowa sanctuary, near Sadiya.
The Sisar, Mathun, and Dri are identified as major tributaries of the Dibang River.
Answer: True
Explanation: The Sisar, Mathun, and Dri are indeed listed among the major tributaries of the Dibang River.
The Airi, Ilu, and Ahi rivers are among the other tributaries that join the Dibang River.
Answer: True
Explanation: The Airi, Ilu, and Ahi rivers are explicitly mentioned as other tributaries that converge with the Dibang River.
Most of the Dibang River's tributaries join it in its lower course, contributing to a narrow catchment region.
Answer: False
Explanation: Most of the Dibang River's tributaries join it in its upper course within the hills, forming a wide, fan-shaped catchment region.
The mouth of the Dibang River is located at Sadiya, Assam, where it joins the Lohit River.
Answer: True
Explanation: The mouth of the Dibang River is indeed located at Sadiya, Assam, where it converges with the Lohit River.
Tangon, Angolin, and Amli are listed as right bank tributaries of the Dibang River in the infobox.
Answer: True
Explanation: The infobox explicitly identifies Tangon, Angolin, and Amli as right bank tributaries of the Dibang River.
Where does the Dibang River merge with the Lohit River?
Answer: North of the Dibru-Saikhowa sanctuary near Sadiya
Explanation: The Dibang River merges with the Lohit River north of the Dibru-Saikhowa sanctuary, near Sadiya.
Which of the following is NOT listed as a major tributary of the Dibang River?
Answer: Brahmaputra
Explanation: The Brahmaputra is the larger river system that the Dibang River feeds into, not a tributary of the Dibang itself. Sisar, Mathun, and Dri are listed as major tributaries.
Where is the mouth of the Dibang River located?
Answer: Sadiya, Assam
Explanation: The mouth of the Dibang River is located at Sadiya, Assam, where it joins the Lohit River.
At which location does the Dibang River discharge its waters into the Brahmaputra system?
Answer: Kobo Chapori
Explanation: The Dibang River discharges its waters into the Brahmaputra system at Kobo Chapori.
Which of the following are identified as left bank tributaries of the Dibang River in the infobox?
Answer: Emra and Anelih
Explanation: The infobox identifies Emra and Anelih as left bank tributaries of the Dibang River.
Which of the following are identified as right bank tributaries of the Dibang River in the infobox?
Answer: Tangon, Angolin, and Amli
Explanation: The infobox identifies Tangon, Angolin, and Amli as right bank tributaries of the Dibang River.
As of 2016, there were 18 hydro-electric projects proposed or planned within the Dibang basin.
Answer: True
Explanation: As of 2016, the Dibang basin had 18 hydro-electric projects in various stages of proposal and planning.
Prime Minister Narendra Modi laid the foundation stone for the Dibang Multipurpose Project in 2008.
Answer: False
Explanation: Prime Minister Manmohan Singh laid the foundation stone for the Dibang Multipurpose Project in 2008, not Narendra Modi.
The Dibang Multipurpose Project is located in the Upper Dibang Valley district.
Answer: False
Explanation: The Dibang Multipurpose Project is located in the Lower Dibang Valley district.
Besides the 3000 MW dam, only five other dams have been proposed for the Dibang River.
Answer: False
Explanation: In addition to the 3000 MW dam, seventeen other dams have been proposed for the Dibang River.
The proposed Dibang dam, upon completion, would be 288 meters tall, making it one of India's largest dams.
Answer: True
Explanation: The proposed Dibang dam is projected to be 288 meters (945 feet) tall, which would make it one of India's largest dams and one of the world's tallest gravity dams.
The Adi, Idu, and Assamese people have expressed support for the Dibang dam project due to its flood control benefits.
Answer: False
Explanation: The Adi, Idu, and Assamese people have expressed opposition to the Dibang dam project, not support.
The Cabinet Committee on Economic Affairs approved the continuation of the Dibang hydropower project on July 18, 2019.
Answer: True
Explanation: The Cabinet Committee on Economic Affairs indeed approved the continuation of the Dibang hydropower project on July 18, 2019.
The renewal of the Dibang hydropower project was primarily backed by its potential for tourism development.
Answer: False
Explanation: The renewal of the Dibang hydropower project was backed by its capacity for electricity generation, flood control, and its role as a control measure against Chinese hydro projects, not primarily tourism development.
The Dibang River Bridge and the Dibang Dam are mentioned as related infrastructure projects.
Answer: True
Explanation: The Dibang River Bridge and the Dibang Dam are explicitly mentioned as related infrastructure projects in connection with the Dibang River.
As of 2016, how many hydro-electric projects were at different stages of proposal and planning within the Dibang basin?
Answer: 18
Explanation: As of 2016, there were 18 hydro-electric projects proposed or planned within the Dibang basin.
Who laid the foundation stone for the Dibang Multipurpose Project in 2008?
Answer: Prime Minister Manmohan Singh
Explanation: Prime Minister Manmohan Singh laid the foundation stone for the Dibang Multipurpose Project in 2008.
In which district is the Dibang Multipurpose Project located?
Answer: Lower Dibang Valley
Explanation: The Dibang Multipurpose Project is located in the Lower Dibang Valley district.
Besides the 3000 MW dam, how many other dams have been proposed for the Dibang River?
Answer: 17
Explanation: Seventeen other dams have been proposed for the Dibang River, in addition to the 3000 MW dam.
What is the proposed height of the Dibang dam upon completion?
Answer: Both B and C
Explanation: The proposed Dibang dam is projected to be 288 meters (945 feet) tall upon completion.
Which groups have expressed opposition to the Dibang dam project?
Answer: The Adi, Idu, and Assamese people
Explanation: The Adi, Idu, and Assamese people, who reside downstream, have expressed opposition to the Dibang dam project.
When did the Cabinet Committee on Economic Affairs approve the continuation of the Dibang hydropower project?
Answer: July 18, 2019
Explanation: The Cabinet Committee on Economic Affairs approved the continuation of the Dibang hydropower project on July 18, 2019.
Which of the following was NOT a stated reason for the renewal of the Dibang hydropower project?
Answer: Promotion of international tourism
Explanation: The stated reasons for the renewal were electricity generation, flood control, and its role as a control measure against Chinese hydro projects. Promotion of international tourism was not mentioned.
What related infrastructure projects are mentioned in connection with the Dibang River?
Answer: The Dibang River Bridge and the Dibang Dam
Explanation: The Dibang River Bridge and the Dibang Dam are explicitly mentioned as related infrastructure projects.
Which of the following is a characteristic of the proposed Dibang dam, making it one of the world's tallest?
Answer: It is a gravity dam.
Explanation: The proposed Dibang dam is characterized as one of the world's tallest gravity dams.
The Cabinet Committee on Economic Affairs approved the Dibang hydropower project's continuation primarily for its capacity to generate electricity, flood control, and what other strategic reason?
Answer: As a control measure against Chinese hydro projects.
Explanation: The renewal of the Dibang hydropower project was backed by its capacity for electricity generation, flood control, and its role as a control measure against Chinese hydro projects.
The Dibang River is primarily known as Lohit in the Idu-Mishmi language.
Answer: False
Explanation: The Dibang River is known as Talon in the Idu-Mishmi language, not Lohit.
The infobox indicates that the Dibang River is located within Arunachal Pradesh and India.
Answer: True
Explanation: The infobox's location maps confirm that the Dibang River is situated within both Arunachal Pradesh and India.
In which language is the Dibang River also known as Talon?
Answer: Idu-Mishmi
Explanation: The Dibang River is known as Talon in the Idu-Mishmi language.