The 50 cm parallel rainfall line parallel to the Aravali divides Rajasthan into two parts.

1. The state tree of Rajasthan is Khejri. This tree is found in about two-thirds of the total geographical area of the state and has great importance culturally and economically.

2. The scientific name of Khejri is Prosopis cinerea. It is a drought-tolerant tree that can survive even in areas with low rainfall. This tree is found in desert areas and is found in abundance in the Thar Desert of Rajasthan.

1. The southeastern part of Rajasthan is a plateau, which is known as the 'South-Eastern Plateau and Hadoti Plateau'. This is an extension of the Malwa plateau.

2. The average height of this area is 500 meters and there is an extension of mountain ranges in a semi-moon shape which are known as Bundi and Mukundwara hills respectively. Chambal River and its main tributaries Kalisingh, Parvan and Parvati rivers flow here, the plains created by them are suitable for agriculture.

3. Southern-Eastern Plateau Region (Hadoti Plateau) Main features -

- 11 per cent of the state's population lives in this area.

- South Eastern Plateau region is 9.6 per cent of the total area of the state.

-It extends to Bhilwara, Photo, Bundi, Jhalawar and Baran districts.

- This plateau part is the Sankranti region between the Aravalli and Vindhyachal mountains.

- In this region there is a mixture of lava rocks and Vindhya rocks.

1. Wood Fossil Park is located in the 'Marubhoomi National Park'.

2. Akal Wood Fossil Park is a National Geological Monument of India.

3. It is situated in Jaisalmer district, Rajasthan.

4. It is also a biodiversity heritage site.