Q3221. Which food preservation technique eliminates pathogens through high pressure rather than high heat?
RAS Prelims MCQ Practice
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.
Showing 3221–3230 of 9654 questions
Browse by subject
Q3222. The famous siege of Chittorgarh by Alauddin Khilji is vividly described in which of the following historical literary works authored later in 1540?
Explanation
The epic poem Padmavat, written by Malik Muhammad Jayasi in 1540, provides a vivid and legendary account of Alauddin Khilji’s siege of Chittorgarh. Although it was composed over two centuries after the actual event, the work popularized the story of Queen Padmini and the sacrifice of the Rajput defenders. It remains a major literary source that blends historical facts with cultural folklore and romantic themes.
Q3223. Under food safety regulations in India, which food businesses are exempted from obtaining a food license but must merely register?
Explanation
Under the Food Safety and Standards Act, small-scale food business operators, such as street vendors and small retailers with an annual turnover of less than twelve lakh rupees, are classified as petty operators. These businesses are exempt from the more complex food licensing requirements but must still complete a simplified registration process. This ensures that even small businesses are brought under the regulatory framework for food safety.
Q3224. During Rana Hammir’s reign, the Mewar army captured the prominent military outpost of Idar. Which modern-day state does Idar belong to?
Explanation
During the reign of Rana Hammir, Mewar’s military influence expanded beyond its immediate borders. The capture of Idar, a prominent military outpost, was part of this expansion. Today, Idar is located in the modern state of Gujarat. This historical connection highlights the regional power dynamics of the fourteenth century, where Mewar’s rulers actively engaged with neighboring territories to secure their frontiers and assert their authority.
Q3225. The rhythmic muscular contractions that propel food through the digestive tract are known as:
Explanation
Peristalsis is a series of wave-like muscular contractions that move food along the digestive tract. These involuntary movements occur in the oesophagus, stomach, and intestines, pushing the contents forward and facilitating mechanical digestion. This process is essential for ensuring that food is thoroughly mixed with digestive juices and that nutrients are efficiently moved to the sites where they can be absorbed into the bloodstream.
Q3226. Which of the following statements is correct regarding Rana Kumbha’s fortification strategy?
Explanation
Rana Kumbha is famous for his extensive fortification projects, which were central to Mewar’s defense strategy. He is credited with constructing or significantly rebuilding thirty-two of the eighty-four fortresses in the kingdom. His most notable achievement was the fort of Kumbhalgarh, which featured massive walls and a strategic location in the Aravallis, making it one of the most impregnable strongholds in all of India.
Q3227. Any foreign substance that induces an immune response in the body, particularly the production of antibodies, is called an:
Explanation
An antigen is any substance, typically a protein or polysaccharide on the surface of a pathogen, that the immune system recognizes as foreign. When an antigen enters the body, it triggers an immune response, leading to the production of specific antibodies designed to neutralize the invader. This recognition and response mechanism is the foundation of how the body identifies and fights off infections.
Q3228. Which of the following statements about the Battle of Khanwa is incorrect?
Explanation
Contrary to the idea that Babur’s forces were ill-equipped, his victory at the Battle of Khanwa was largely due to his effective use of cavalry and modern artillery. Rana Sanga, the Rajput leader, was indeed severely wounded and carried from the field, which caused panic among his troops. The defection of key allies like Silhadi further weakened the Rajput side, illustrating the internal divisions within the confederacy.
Q3229. The Hepatitis B vaccine is produced using genetic engineering techniques by inserting the viral gene into a yeast cell. Such a vaccine is called a:
Explanation
A recombinant vaccine is produced by inserting the DNA for a specific antigen from a pathogen into a different cell, such as a yeast or mammalian cell. These cells then produce the antigen, which is purified and used as the vaccine. This technology allows for the creation of safe and effective vaccines, like the Hepatitis B vaccine, without using the actual live virus in the manufacturing process.
Q3230. Identify the correctly matched pair regarding Akbar’s interactions with Rajputana:
Explanation
Surjan Hada was the ruler of Ranthambore who eventually surrendered the fort to Akbar in 1569 after a brief siege. His decision followed negotiations that allowed him to maintain his dignity and serve in the Mughal hierarchy. This event was a significant success for Akbar, as it brought one of the most famous Rajput strongholds under imperial control without the need for total destruction.Answer key for these questions
| Q | Correct answer |
|---|---|
| 3221 | (c) Pascalization (high-pressure process) |
| 3222 | (d) Padmavat |
| 3223 | (d) Petty operators with turnover below 12 lakhs |
| 3224 | (a) Gujarat |
| 3225 | (a) Peristalsis |
| 3226 | (b) He is credited with building 32 of the 84 Mewar fortresses. |
| 3227 | (b) Antigen |
| 3228 | (b) Babur’s forces were entirely composed of infantry, lacking both cavalry and artillery. |
| 3229 | (b) Recombinant vaccine |
| 3230 | (a) Surjan Hada - Surrendered Ranthambore to Akbar |
Frequently asked questions
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.