20 questionswith explanationsfor RAS, Patwari, VDO and other Rajasthan exams
'Mumbai High' is famous for:
Answer: (4) Offshore mineral oil (petroleum)
Explanation
Mumbai High is an offshore oil field in the Arabian Sea off the Maharashtra coast.
The Bhakra Nangal dam is built on which river?
Answer: (2) Sutlej
Explanation
The Bhakra Nangal project is built on the Sutlej river.
Which of the following is a Kharif crop?
Answer: (3) Rice
Explanation
Kharif crops are sown with the onset of the monsoon; rice is a major Kharif crop, while wheat, mustard and gram are Rabi crops.
Which fibre crop is known as the 'golden fibre'?
Answer: (1) Jute
Explanation
Jute is called the 'golden fibre' because of its golden colour and high economic value.
The Jharia coalfield is located in which state?
Answer: (3) Jharkhand
Explanation
Jharia in the Damodar valley of Jharkhand is one of India's most important coking coal fields.
The Kudankulam nuclear power plant is located in which state?
Answer: (1) Tamil Nadu
Explanation
The Kudankulam Nuclear Power Plant is located in Tirunelveli district of Tamil Nadu.
The Tehri dam is built on which river?
Answer: (2) Bhagirathi
Explanation
The Tehri dam in Uttarakhand is built on the Bhagirathi river.
The Hirakud dam is built on which river?
Answer: (4) Mahanadi
Explanation
The Hirakud dam in Odisha is built on the Mahanadi river.
The Golden Quadrilateral highway project connects which four metropolitan cities?
Answer: (1) Delhi, Mumbai, Chennai, Kolkata
Explanation
The Golden Quadrilateral links the four metros Delhi, Mumbai, Chennai and Kolkata by high-speed four/six-lane highways.
The Bhilai Steel Plant was set up with the collaboration of which country?
Answer: (4) Soviet Union (USSR)
Explanation
Bhilai Steel Plant (Chhattisgarh) was set up with Soviet collaboration; Rourkela was set up with German and Durgapur with British collaboration.
Which port is described as the deepest land-locked and well-protected port of India?
Answer: (2) Visakhapatnam
Explanation
As per NCERT, Visakhapatnam on the Andhra Pradesh coast is the deepest land-locked and well-protected port of India.
The Salal hydroelectric project is located on which river?
Answer: (3) Chenab
Explanation
The Salal hydroelectric project is built on the Chenab river in Jammu & Kashmir.
Which of the following is a Rabi crop?
Answer: (1) Mustard
Explanation
Mustard is sown in October–November and harvested in spring, so it is a Rabi crop; bajra, cotton and groundnut are Kharif crops.
Consider the following statements about cropping seasons in India: 1. Kharif crops are sown with the onset of the south-west monsoon and harvested around September–October. 2. Rabi crops are sown around October–December and harvested around April–June. 3. Zaid crops are grown in the short summer season between the Rabi and Kharif seasons. Which of the statements given above is/are correct?
Answer: (4) 1, 2 and 3
Explanation
All three statements correctly describe India's three cropping seasons (NCERT).
As per Ministry of Agriculture & Farmers Welfare estimates for the crop year 2023-24, which state was the largest producer of wheat in India?
Answer: (1) Uttar Pradesh
Explanation
In 2023-24 Uttar Pradesh produced about 35.4 million tonnes of wheat (around 31% of India's output), followed by Madhya Pradesh and Punjab.
Match the crop with its leading producer state (2023-24): A. Tea B. Coffee C. Natural rubber D. Sugarcane 1. Kerala 2. Uttar Pradesh 3. Assam 4. Karnataka
Answer: (2) A-3, B-4, C-1, D-2
Explanation
Assam leads in tea, Karnataka in coffee, Kerala in natural rubber and Uttar Pradesh in sugarcane.
Which is the largest source of net irrigated area in India?
Answer: (3) Wells and tube wells
Explanation
Wells and tube wells (groundwater) irrigate more than 60% of India's net irrigated area, far ahead of canals and tanks.
'Operation Flood', launched in India in 1970, is associated with increasing:
Answer: (1) Milk production
Explanation
Operation Flood, run by the National Dairy Development Board under Verghese Kurien, brought the White Revolution in milk and made India the world's largest milk producer.
As per Ministry of Mines data for 2023-24, which state accounted for the largest share (over half) of India's iron ore production?
Answer: (4) Odisha
Explanation
Odisha alone produced more than half of India's iron ore in 2023-24; Chhattisgarh and Karnataka were the other major producers.
The Bailadila range, known for high-grade hematite iron ore, is located in which state?
Answer: (2) Chhattisgarh
Explanation
Bailadila hills lie in Dantewada district of Chhattisgarh and yield high-grade hematite ore.