1. The first biological park of Rajasthan is 'Sajjangarh Biological Park' located in Udaipur district, which was inaugurated on 12 April 2015 by the then Environment Minister Prakash Javedkar.

2. It is situated at the foothills of Sajjangarh Monsoon Palace, 8 kilometres away from Udaipur city. Mainly tigers, panthers, lions, reptiles, nilgai, sambar, wild boar and honeys are found in this park.

3. 5 Biological Parks of Rajasthan which include Sajjangarh Biological Park (Udaipur), Machia Biological Park (Jodhpur), Nahargarh Biological Park (Jaipur), Abheda Biological Park (Kota), Marudhara Biological Park (Bikaner) etc.

1. Out of the following, alluvial soil is mainly found in the group of Kota-Bundi districts of Rajasthan.

2. Deficiency of calcium and phosphate elements and excess of nitrogen and potash are found in this soil.

3. For this reason, alluvial soil is considered to be the most fertile soil in Rajasthan.

4. Mainly mustard, wheat, rice, cotton, sugarcane etc. are produced in this soil.

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.