Damodar Valley Corporation (DVC), having its headquarters at Kolkata, is a statutory body created under the Damodar Valley Corporation Act, 1948. It operates several power stations in the Damodar River area of West Bengal and Jharkhand. The corporation operates both thermal power stations and hydel power stations under the Union Ministry of Power.

Correct Option: A

Damodar Valley Corporation (DVC), having its headquarters at Kolkata, is a statutory body created under the Damodar Valley Corporation Act, 1948. It operates several power stations in the Damodar River area of West Bengal and Jharkhand. The corporation operates both thermal power stations and hydel power stations under the Union Ministry of Power.

Koshi River is known as the “Sorrow of Bihar”. It leads to annual floods that affect about 21,000 km2of fertile agricultural lands and impact heavily upon the state’s rural economy. During floods, the average discharge of Koshi increases to 18 times the average, inundating large areas in its spate.

Correct Option: B

Koshi River is known as the “Sorrow of Bihar”. It leads to annual floods that affect about 21,000 km2of fertile agricultural lands and impact heavily upon the state’s rural economy. During floods, the average discharge of Koshi increases to 18 times the average, inundating large areas in its spate.

Loktak Lake is the largest freshwater lake in Northeast India. It is located near Moirang in Manipur. It is famous for the phumdis (heterogeneous mass of vegetation, soil, and organic matter at various stages of decomposition) floating over it.

Correct Option: C

Loktak Lake is the largest freshwater lake in Northeast India. It is located near Moirang in Manipur. It is famous for the phumdis (heterogeneous mass of vegetation, soil, and organic matter at various stages of decomposition) floating over it.

In terms of length, catchment area and discharge, the Godavari river is the largest in peninsular India. It has a total length of 1465 km. It is also the second longest river in India after the Ganges and is, thus, also known as Dakshin ganga. It forms one of the largest river basins in the Indian subcontinent, with only the Ganges and Indus rivers having larger drainage basins.

Correct Option: B

In terms of length, catchment area and discharge, the Godavari river is the largest in peninsular India. It has a total length of 1465 km. It is also the second longest river in India after the Ganges and is, thus, also known as Dakshin ganga. It forms one of the largest river basins in the Indian subcontinent, with only the Ganges and Indus rivers having larger drainage basins.

The Brahmaputra goes by a number of names during its journey from the Angsi glacier in the Himalayas to the sea (Bay of Bengal). It begins as the Yarlung Tsangpo in southwestern Tibet and becomes the Dihang or Sangin China and Arunachal Pradesh.It flows southwest through the Assam Valley as Brahmaputra and south through Bangladesh as the Jamuna. In the vast Ganges Delta, it merges with the Padma (name of the river Ganges in Bangladesh) and finally the Meghna. From here, it is known as Meghna before emptying into the Bay of Bengal.

Correct Option: D

The Brahmaputra goes by a number of names during its journey from the Angsi glacier in the Himalayas to the sea (Bay of Bengal). It begins as the Yarlung Tsangpo in southwestern Tibet and becomes the Dihang or Sangin China and Arunachal Pradesh.It flows southwest through the Assam Valley as Brahmaputra and south through Bangladesh as the Jamuna. In the vast Ganges Delta, it merges with the Padma (name of the river Ganges in Bangladesh) and finally the Meghna. From here, it is known as Meghna before emptying into the Bay of Bengal.