Rihand dam is the largest multi-purpose project of Uttar Pradesh. The water collected in the Govind Ballabh Pant Sagar reservoir is diverted to the Son canal which irrigates about 2.5 lakh hectares of the agricultural land in Champaran, Darbhanga and Muzaffarpur districts of Bihar.

Correct Option: C

Rihand dam is the largest multi-purpose project of Uttar Pradesh. The water collected in the Govind Ballabh Pant Sagar reservoir is diverted to the Son canal which irrigates about 2.5 lakh hectares of the agricultural land in Champaran, Darbhanga and Muzaffarpur districts of Bihar.

Shivanasamudra Falls is on the Kaveri River after the river has wound its way through the rocks and ravines of the Deccan Plateau and drops off to form waterfalls. The island town of Shivanasamudra divides the river into twin waterfalls. This creates the fourth largest island in the rivers course. Asia’s second hydro-electric power station after Sidrapong is located at the waterfall and is still functional. This station was commissioned by the Diwan of Mysore, Sir K. Seshadri Iyer.

Correct Option: C

Shivanasamudra Falls is on the Kaveri River after the river has wound its way through the rocks and ravines of the Deccan Plateau and drops off to form waterfalls. The island town of Shivanasamudra divides the river into twin waterfalls. This creates the fourth largest island in the rivers course. Asia’s second hydro-electric power station after Sidrapong is located at the waterfall and is still functional. This station was commissioned by the Diwan of Mysore, Sir K. Seshadri Iyer.

Rihand Dam is a concrete gravity dam located at Pipri in Sonbhadra District in Uttar Pradesh, India. It is on the border of Chhattisgarh and Uttar Pradesh. It is on the Rihand River which is the tributary of the Son River. The Rihand River flows through the Indian states of Chhattisgarh and Uttar Pradesh. The Rihand rises from Matiranga hills, in the region south-west of the Mainpat plateau, which is about 2,100 meters above mean sea level. The river flows north roughly through the central part of Surguja district for 160 kilometres. The Rihand and its tributaries form a fertile plain in the central part of the district stretching from around Ambikapur to Lakhanpur and Pratappur. Thereafter, it flows north into Sonbhadra district of Uttar Pradesh via Singrauli district of Madhya Pradesh, where it is called Rhed and finally joins the Son.

Correct Option: C

Rihand Dam is a concrete gravity dam located at Pipri in Sonbhadra District in Uttar Pradesh, India. It is on the border of Chhattisgarh and Uttar Pradesh. It is on the Rihand River which is the tributary of the Son River. The Rihand River flows through the Indian states of Chhattisgarh and Uttar Pradesh. The Rihand rises from Matiranga hills, in the region south-west of the Mainpat plateau, which is about 2,100 meters above mean sea level. The river flows north roughly through the central part of Surguja district for 160 kilometres. The Rihand and its tributaries form a fertile plain in the central part of the district stretching from around Ambikapur to Lakhanpur and Pratappur. Thereafter, it flows north into Sonbhadra district of Uttar Pradesh via Singrauli district of Madhya Pradesh, where it is called Rhed and finally joins the Son.

The study found that some of the Indian deltas — Brahmani delta in Orissa, and Godavari and Mahanadi in Andhra Pradesh — are at a greater risk as the rate of sediment Aggradation (raising the level of the delta through sediment deposition) no longer exceeds relative sea-level rise. While there are no Indian deltas in the peril category (where the Aggradation and compaction of the delta sediments overwhelms the rate of sea-level rise), the Krishna delta in Andhra Pradesh falls in the last category of greater peril. In the case of the greater peril category, the deltas have virtually no sediment deposition (Aggradation) and/or have very high accelerated compaction of sediments. Here the relative sea-level rise is about 3 mm per year. The maximum relative sea-level rise of 13-150 mm per year is seen in the Chao Phraya delta in Thailand.

Correct Option: D

The study found that some of the Indian deltas — Brahmani delta in Orissa, and Godavari and Mahanadi in Andhra Pradesh — are at a greater risk as the rate of sediment Aggradation (raising the level of the delta through sediment deposition) no longer exceeds relative sea-level rise. While there are no Indian deltas in the peril category (where the Aggradation and compaction of the delta sediments overwhelms the rate of sea-level rise), the Krishna delta in Andhra Pradesh falls in the last category of greater peril. In the case of the greater peril category, the deltas have virtually no sediment deposition (Aggradation) and/or have very high accelerated compaction of sediments. Here the relative sea-level rise is about 3 mm per year. The maximum relative sea-level rise of 13-150 mm per year is seen in the Chao Phraya delta in Thailand.

The Narmada basin, hemmed between Vindhya and Satpura ranges, extends over an area of 98,796 km2 and lies between east longitudes 72 degrees 32' to 81 degrees 45' and north latitudes 21 degrees 20' to 23 degrees 45' lying on the northern extremity of the Deccan Plateau. The basin covers large areas in the states of Madhya Pradesh (86%), Gujarat (14%) and a comparatively smaller area (2%) in Maharashtra.

Correct Option: B

The Narmada basin, hemmed between Vindhya and Satpura ranges, extends over an area of 98,796 km2 and lies between east longitudes 72 degrees 32' to 81 degrees 45' and north latitudes 21 degrees 20' to 23 degrees 45' lying on the northern extremity of the Deccan Plateau. The basin covers large areas in the states of Madhya Pradesh (86%), Gujarat (14%) and a comparatively smaller area (2%) in Maharashtra.