20 questionswith explanationsfor RAS, Patwari, VDO and other Rajasthan exams
Sambhar lake of Rajasthan is best known as:
Answer: (2) India's largest inland saline lake
Explanation
Sambhar is the largest inland saline lake of India and an important source of salt.
The holy Pushkar lake is located in which district?
Answer: (4) Ajmer
Explanation
Pushkar lake, famous for the Brahma temple and the Kartik fair, is in Ajmer district.
The Indira Gandhi Canal was earlier known as:
Answer: (1) Rajasthan Canal
Explanation
The Rajasthan Canal was renamed the Indira Gandhi Canal in 1984.
The Rana Pratap Sagar dam at Rawatbhata is built on which river?
Answer: (3) Chambal
Explanation
Rana Pratap Sagar is one of the dams of the Chambal valley project, along with Gandhi Sagar, Jawahar Sagar and Kota Barrage.
The Chambal river originates from which place?
Answer: (1) Janapav hills near Mhow (Madhya Pradesh)
Explanation
The Chambal rises in the Janapav hills near Mhow in Madhya Pradesh; the Mahi rises from Mehad lake and the Banas from the Khamnor hills.
The Luni river originates from which place?
Answer: (3) Nag Pahar near Ajmer
Explanation
The Luni rises from the Nag Pahar near Ajmer and ends in the Rann of Kachchh.
Jaisamand (Dhebar) lake was built by:
Answer: (4) Maharana Jai Singh
Explanation
Jaisamand (Dhebar) lake in Udaipur region was built by Maharana Jai Singh; Rajsamand was built by Maharana Raj Singh.
The Indira Gandhi Canal starts from which barrage?
Answer: (2) Harike barrage
Explanation
The Indira Gandhi Canal starts from the Harike barrage in Punjab, near the confluence of the Sutlej and Beas.
Which is the longest river flowing entirely within Rajasthan?
Answer: (3) Banas
Explanation
The Banas, rising in the Khamnor hills near Kumbhalgarh and joining the Chambal, is the longest river flowing entirely within Rajasthan.
The water of the Luni river becomes saline beyond which place?
Answer: (1) Balotra
Explanation
The Luni's water is sweet up to Balotra and becomes saline after that, owing to the saline nature of the region.
Which river of Rajasthan crosses the Tropic of Cancer twice?
Answer: (4) Mahi
Explanation
The Mahi river, which flows through Banswara region, crosses the Tropic of Cancer twice before draining into the Gulf of Khambhat.
Which river of Rajasthan is called 'Van ki Aasha' (hope of the forest)?
Answer: (2) Banas
Explanation
The Banas river is known as 'Van ki Aasha' (hope of the forest).
The triveni sangam at Beneshwar in Dungarpur is formed by the confluence of which rivers?
Answer: (2) Som, Mahi and Jakham
Explanation
At Beneshwar (Dungarpur) the Som and Jakham join the Mahi, forming a triveni sangam where the famous Beneshwar fair is held.
Consider the following statements: 1. The triveni sangam at Bigod (Bhilwara) is formed by the Banas, Berach and Menali rivers. 2. At Rameshwar (Sawai Madhopur), the Banas and Seep rivers join the Chambal. 3. The Banas river originates from the Gogunda hills. Which of the above statements is/are correct?
Answer: (1) 1 and 2 only
Explanation
Statements 1 and 2 are correct. The Banas rises in the Khamnor hills near Kumbhalgarh; it is the Berach that rises in the Gogunda hills.
The Mahi river finally falls into which water body?
Answer: (4) Gulf of Khambhat
Explanation
The Mahi rises in Madhya Pradesh, flows through southern Rajasthan and Gujarat, and drains into the Gulf of Khambhat (Arabian Sea).
Which river is popularly called the 'Ganga of Vagad' (Vagad ki Ganga)?
Answer: (4) Mahi
Explanation
The Mahi, which flows through the Vagad region (Banswara–Dungarpur), is called 'Vagad ki Ganga' and also 'Kanthal ki Ganga'.
What is the correct upstream-to-downstream order of the following structures on the Chambal river?
Answer: (1) Gandhi Sagar – Rana Pratap Sagar – Jawahar Sagar – Kota Barrage
Explanation
Gandhi Sagar lies in Madhya Pradesh; downstream come Rana Pratap Sagar (Rawatbhata), Jawahar Sagar and finally the Kota Barrage.
In its upper course near Udaipur, on whose banks the ancient Ahar civilization flourished, the Berach river is known as:
Answer: (2) Ayad
Explanation
The Berach rises in the Gogunda hills and is called the Ayad (Ahar) in its upper course; after Udaisagar lake it is known as the Berach.
The Ramgarh dam, a former source of drinking water for Jaipur city, is built on which river?
Answer: (3) Banganga
Explanation
Ramgarh dam (Jamwa Ramgarh) near Jaipur is built on the Banganga, which rises in the Bairath hills and flows towards Bharatpur.
Which river of the Shekhawati region is an example of inland (internal) drainage, losing itself in the sands without reaching any sea?
Answer: (4) Kantli
Explanation
The Kantli rises in the Khandela hills (Sikar), flows through Jhunjhunu and disappears in the sands near the Churu border.