Masonry dams are dams made out of masonry; mainly stone and brick. They are either the gravity or the arch type. The largest masonry dam in the world is Nagarjunasagar Dam in India which is built across Krishna River at Nagarjunasagar in Guntur and Nalgonda districts of Andhra Pradesh.

Correct Option: A

Masonry dams are dams made out of masonry; mainly stone and brick. They are either the gravity or the arch type. The largest masonry dam in the world is Nagarjunasagar Dam in India which is built across Krishna River at Nagarjunasagar in Guntur and Nalgonda districts of Andhra Pradesh.

The Godavari is a river in south-central India. It originates in the Western Ghats Trimbakeshwar, in the Nasik Subdivision of the western state of Maharashtra and flows through the modern state of Andhra Pradesh before reaching the Bay of Bengal.

Correct Option: A

The Godavari is a river in south-central India. It originates in the Western Ghats Trimbakeshwar, in the Nasik Subdivision of the western state of Maharashtra and flows through the modern state of Andhra Pradesh before reaching the Bay of Bengal.

Hirakud Dam is built across the Mahanadi River, about 15 km from Sambalpur in the state of Orissa in India. Built in 1957, the dam is one of the world's longest earthen dam.

Correct Option: B

Hirakud Dam is built across the Mahanadi River, about 15 km from Sambalpur in the state of Orissa in India. Built in 1957, the dam is one of the world's longest earthen dam.

The Tapti River ancient original name Tapi River, is a river in central India. It is one of the major rivers of peninsular India with a length of around 724 kilometres. It is one of only three rivers in peninsular India that run from east to west - the others being the Narmada River and the Mahi River. The river rises in the eastern Satpura Range of southern Madhya Pradesh state, and flows westward, draining Madhya Pradesh’s Nimar region, Maharashtra’s Kandesh and east Vidarbha regions in the northwest corner of the Deccan Plateau and south Gujarat, before emptying into the Gulf of Cambay of the Arabian Sea, in the Surat District of Gujarat. The river, along with the northern parallel Narmada river, forms the boundaries between North and South India.

Correct Option: D

The Tapti River ancient original name Tapi River, is a river in central India. It is one of the major rivers of peninsular India with a length of around 724 kilometres. It is one of only three rivers in peninsular India that run from east to west - the others being the Narmada River and the Mahi River. The river rises in the eastern Satpura Range of southern Madhya Pradesh state, and flows westward, draining Madhya Pradesh’s Nimar region, Maharashtra’s Kandesh and east Vidarbha regions in the northwest corner of the Deccan Plateau and south Gujarat, before emptying into the Gulf of Cambay of the Arabian Sea, in the Surat District of Gujarat. The river, along with the northern parallel Narmada river, forms the boundaries between North and South India.

Guwahati — formerly known as Pragjyotishpura and Durjoya in ancient Assam, and Gauhati in the modern era — is an ancient urban area, the largest city of Assam, the largest metropolitan area in northeastern, one of the fastest developing cities in India and often referred as “gateway” of the North East Region. It is also the third largest city in Eastern India after Kolkata and Patna respectively. The city is between the southern bank of the Brahmaputra river and the foothills of the Shillong plateau.

Correct Option: B

Guwahati — formerly known as Pragjyotishpura and Durjoya in ancient Assam, and Gauhati in the modern era — is an ancient urban area, the largest city of Assam, the largest metropolitan area in northeastern, one of the fastest developing cities in India and often referred as “gateway” of the North East Region. It is also the third largest city in Eastern India after Kolkata and Patna respectively. The city is between the southern bank of the Brahmaputra river and the foothills of the Shillong plateau.