9,654 RAS Prelims practice MCQs with the correct answer and a clear explanation for each. Filter by subject and chapter.
Practice questions based on the RPSC RAS Prelims syllabus. They follow the exam pattern but are not past-paper questions.
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RAS PrelimsHealth, Environment and Agriculture · Human Health, Food, Nutrition and Public Health Programmes
Q3191. Match List I with List II and select the correct answer:
Vitamin
Rich Dietary Source
A. Vitamin A
i. Citrus fruits (e.g., Amla)
B. Vitamin C
ii. Green leafy vegetables (e.g., Spinach)
C. Vitamin E
iii. Carrots and Papaya
D. Vitamin K
iv. Vegetable oils and Nuts
Explanation
Carrots and papaya are excellent sources of Vitamin A, which is essential for vision and skin health. Citrus fruits like amla are exceptionally rich in Vitamin C. Vitamin E is found in high concentrations in vegetable oils and nuts, serving as an antioxidant. Green leafy vegetables like spinach are major dietary sources of Vitamin K, which is necessary for blood clotting.
RAS PrelimsRajasthan History, Art and Culture · Cooperation and Resistance with Central Power
Q3192. What was a major tactical error committed by Rana Sanga at the Battle of Khanwa that contributed to his defeat?
Explanation
Rana Sanga delayed his attack at Khanwa, which gave Babur time to prepare field fortifications with carts and guns. This delay is regarded as a major tactical error.
RAS PrelimsIndian Polity and Governance · Parliament: Lok Sabha and Rajya Sabha
Q3193. Consider the following options available to the President when an Ordinary Bill is presented for his assent: I. He may give his assent to the bill. II. He may withhold his assent to the bill. III. He may return the bill for reconsideration of the Houses. IV. He may refer the bill to the Supreme Court for an advisory opinion and bind the Parliament to its advice. Which of the above statement(s) is/are correct?
Explanation
When an Ordinary Bill is presented to the President, several options are available. The President can give assent, withhold assent, or return the bill for reconsideration. However, the President does not have the power to refer a bill to the Supreme Court in a way that binds Parliament to the court’s advice. Therefore, the first three statements accurately describe options.
Q3194. Match the Agricultural Challenges in List I with their Impacts/Consequences in List II and select the correct answer using the options given below:
Agricultural Challenges
Impacts
A. Severe Land Fragmentation
i. High post-harvest losses, especially in horticulture
B. Over-exploitation of Groundwater
ii. Unviability of using large farm machinery
C. Climate Change and Heat Waves
iii. Increase in soil salinity and dark zones
D. Inadequate Cold Storage Logistics
iv. Altered phenology and reduced crop duration
Explanation
Various agricultural challenges have distinct impacts. Severe land fragmentation makes the use of large farm machinery unviable. The over-exploitation of groundwater leads to increased soil salinity and the creation of ‘dark zones.’ Climate change and heat waves alter crop phenology and reduce duration. Inadequate cold storage logistics result in high post-harvest losses, particularly in the horticulture sector.
RAS PrelimsHealth, Environment and Agriculture · Human Health, Food, Nutrition and Public Health Programmes
Q3195. The hormone insulin, which regulates blood sugar levels and is defective or deficient in diabetes, is produced by:
Explanation
Insulin is a hormone that regulates the amount of glucose in the blood by facilitating its entry into cells for energy. It is specifically produced and secreted by the beta cells located within the islets of Langerhans in the pancreas. A lack of insulin production or a decreased response to it leads to diabetes, resulting in high blood sugar levels and metabolic imbalances.
RAS PrelimsRajasthan History, Art and Culture · Cooperation and Resistance with Central Power
Q3196. The Mughal administrative policy of forming "Matrimonial Alliances" with Rajput states is best defined academically as a tool of:
Explanation
The Mughal policy of matrimonial alliances with Rajput states was a strategic political measure to ensure loyalty and integrate powerful regional rulers into the imperial system. By marrying Rajput princesses, Mughal emperors, especially Akbar, built trust and secured military support from Rajput chiefs. This reduced rebellions and strengthened control over frontier regions. Rather than erasing identity or exploiting resources, the policy promoted cooperation, stability, and administrative integration within the Mughal Empire.
RAS PrelimsIndian Polity and Governance · Parliament: Lok Sabha and Rajya Sabha
Q3197. A bill was passed by the Lok Sabha but is pending in the Rajya Sabha. At this point, the Lok Sabha is dissolved. What happens to the bill?
Explanation
The dissolution of the Lok Sabha affects pending legislation in various ways. If a bill has been passed by the Lok Sabha but is still pending in the Rajya Sabha at the time of dissolution, it automatically lapses. This means the legislative process for that bill must start again in the new Lok Sabha. This rule ensures that a new mandate.
Q3198. To combat the severe water stress challenge in regions like Rajasthan, the concept of ‘Per Drop More Crop’ is promoted. This is a primary component of which scheme?
Explanation
The concept of ‘Per Drop More Crop’ is a central pillar of the Pradhan Mantri Krishi Sinchayee Yojana. This component focuses on improving water use efficiency at the farm level through modern irrigation technologies like drip and sprinkler systems. By reducing water wastage, the scheme helps farmers in water-stressed regions like Rajasthan maintain productivity while conserving precious resources.
RAS PrelimsHealth, Environment and Agriculture · Human Health, Food, Nutrition and Public Health Programmes
Q3199. Which mental health disorder is characterized by alternating periods of deep depression and extreme elation or mania?
Explanation
Bipolar disorder is a mental health condition characterized by significant and often extreme shifts in mood, energy, and activity levels. These shifts include periods of mania, marked by high energy and elation, and episodes of depression, involving deep sadness and hopelessness. It is a chronic condition that requires long-term management, often through a combination of medication and specialized psychological therapy and support.
RAS PrelimsRajasthan History, Art and Culture · Cooperation and Resistance with Central Power
Q3200. During the Battle of Haldighati, the famous elephant of Maharana Pratap, which caused severe destruction in the Mughal ranks before being captured, was named:
Explanation
Ramprasad was the exceptionally brave elephant belonging to Maharana Pratap during the Battle of Haldighati. The elephant caused significant damage to the Mughal ranks until it was eventually captured by the imperial forces. Recognizing the animal’s valor, Akbar reportedly renamed it Pirprasad. Despite being taken to the Mughal court, the elephant is said to have died of grief, refusing to eat or drink.
Answer key for these questions
Q
Correct answer
3191
(a) A-iii, B-i, C-iv, D-ii
3192
(a) Allowing Babur time to establish defensive field fortifications.
3193
(b) I, II and III
3194
(a) A-ii, B-iii, C-iv, D-i
3195
(a) Beta cells of the pancreatic islets of Langerhans
3196
(c) Securing military loyalty and stabilizing frontier regions.
How many RAS Prelims practice MCQs are there on RAS Prelims?
This page has 9654 practice MCQs on the RAS Prelims syllabus. Each has the correct answer, and most have an explanation.
How should I practise MCQs for RAS Prelims?
Attempt each question first, then open the answer and read the explanation. Practise one chapter at a time, note the facts you got wrong and revise them. Repeat the chapter after a few days.
Are these actual RAS Prelims past-paper questions?
No. These are practice questions written for the RAS Prelims syllabus. They follow the pattern the exam uses: factual questions, statement-based questions, match-the-list and assertion-reason.
