Question

The Raichur Doab was situated between the rivers ____ and _____.
A) Krishna, Kaveri
B) Krishna, Tungabhadra
C) Ganga, Yamuna
D) Ravi, Beas

Answer 1

Hint:
Doab is a term utilized in South Asia for the "tongue," or land lying between two joinings, or converging, streams. It is like an interlude. In any doab, khadir land (green) lies close to a waterway, while Bangar land has a more noteworthy rise and lies further from the stream.

Complete Answer:
Since North India and Pakistan are flowed by an assortment of Himalayan streams that partition the fields into doabs (for example locales between two streams), the Indo-Gangetic fields comprise substituting areas of the waterway, khadir, and bangar. The areas of the doabs close to the streams comprise of low-lying, floodplains, yet generally fertile khadir and the higher-lying land away from the waterways comprise of bangar, less inclined to flooding yet besides less rich by and large.
Khadir is also called Nali or Naili, exceptionally in northern Haryana the rich grassland plot between the Ghaggar stream. Inside Bangar Area, the Barani is any low downpour region where the downpour took care of dry cultivating is polished, which these days are reliant on the tube wells for irrigation.
The Raichur Doab is the tongue-like area of Andhra Pradesh and Karnataka states which lies between the Krishna River and its feeder the Tungabhadra River, named after the town of Raichur.

Thus, option (B) is correct.

Note:
Ganges-Yamuna Doab, a fragment of the Indo-Gangetic Plain in western and south-western Uttar Pradesh state, north-eastern India. Having a zone of around 23,360 square miles, it lies between the Ganges and Yamuna streams, west of the Upper Ganges Plain. The doab is around 500 miles long and 60 miles in width and comprises a wide box between the Great Himalayas toward the north and the Deccan level toward the south. It was framed by residue stored by streams streaming toward the south from the Himalayas.