1. The eastern boundary of the western sandy plain is determined by the 50 cm isobar line. This line divides Rajasthan into two parts: the western sandy plains and the eastern plains.

2. The amount of rainfall in the western sandy plain is less than 50 cm. This area is part of the Thar Desert. The amount of rainfall in the eastern plains is more than 50 cm. This region is situated to the east of the Aravalli mountain range.

Godwad covers the southern part of Jalore, Sirohi and Pali districts of Rajasthan. The Sukri River and its tributaries flow through this region and join the west flowing Luni River before it flows into the Rann of Kutch. West Banas River drains the south-eastern part of the region.

There is a correct match between the physical department and the concerned district.

A. Bhakar                                    iii. Sirohi  

B. Girwa                                      iv. Udaipur

C. Vagad                                     i. Banswara

D. Bangar                                   ii. Nagaur

1. Chambal river is infamous for its 'badland'.

2. Elevated land with uneven surfaces located in semi-arid regions, on which sudden heavy rainfall causes rows of deep gullies to form and the entire land becomes rugged. Due to differential erosion, hard and resistant rocks are visible in the form of tall pillars or high flat land above the adjacent land. This land is unsuitable for animal husbandry and agriculture.