Q2481. Identify the correct pair regarding the President’s Veto power:
RAS Prelims MCQ Practice
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Q2482. Which of the following agricultural practices is the most appropriate and sustainable approach for maintaining soil fertility in mixed farming systems?
Explanation
The most sustainable way to maintain soil fertility in mixed farming is through crop rotation that incorporates leguminous plants like clover or alfalfa. These crops naturally enrich the soil with nitrogen. This practice, combined with the application of animal manure from livestock, reduces the need for synthetic fertilizers. It ensures long-term agricultural productivity while supporting the livestock component of the farm system.
Q2483. Find the odd one out with reference to taxes that a State Government in India can independently levy and modify rates for today:
Explanation
Today, states can independently set rates for VAT on fuels like diesel and excise on liquor. They also manage land revenue and various entertainment taxes. However, services like telecommunications are covered under the unified GST regime. Decisions on these rates are made collectively by the GST Council, so no individual state can unilaterally modify the tax rates for telecommunication or other integrated services.
Q2484. The biological role of restriction endonucleases in bacteria is to:
Explanation
In their natural bacterial environment, restriction endonucleases function as a sophisticated defense system against invading viruses known as bacteriophages. When a virus injects its DNA into the bacterium, these enzymes recognize specific sequences in the viral genome and cut it into non-functional pieces. The bacteriums own DNA is protected from this digestion through chemical modifications like methylation, which masks the recognition sites.
Q2485. Which of the following is correct regarding the construction of the Pichola Lake in Udaipur during the reign of Rana Lakha?
Explanation
Pichola Lake, one of the most picturesque sites in Udaipur, was actually constructed during the fourteenth century during the reign of Maharana Lakha. Historical records indicate that the lake was built by a Banjara merchant to facilitate the transport of grain. It was later expanded by Maharana Udai Singh II when he founded the city of Udaipur, becoming an integral part of the palace landscape.
Q2486. Under Article 123 of the Constitution, the power to promulgate ordinances is available to the President:
Explanation
The President’s power to promulgate ordinances under Article 123 is activated when either House or both Houses of Parliament are not in session. This ensures the government can handle urgent legislative matters that cannot wait for the next session. However, the President must be satisfied that circumstances exist which render immediate action necessary. This power is exercised solely on the advice of the Cabinet.
Q2487. Which constitutional amendments provided the framework for fiscal decentralisation to local bodies in India?
Explanation
The 73rd and 74th Constitutional Amendment Acts of 1992 were transformative for fiscal decentralization. They mandated the creation of Panchayats and Municipalities as a third tier of government. Crucially, these amendments required states to share revenue with these local bodies and established State Finance Commissions to oversee this process, ensuring that grassroots governance has the financial means to function effectively.
Q2488. The Polymerase Chain Reaction (PCR) technique was developed by:
Explanation
The Polymerase Chain Reaction technique was developed by Kary Mullis in 1983. This groundbreaking invention revolutionized molecular biology by allowing scientists to amplify specific DNA sequences millions of times in a very short period. For this contribution, Mullis was awarded the Nobel Prize in Chemistry in 1993. PCR is now a standard tool in diagnostics, forensics, and all areas of genetic research worldwide.
Q2489. Rana Kumbha’s treatise "Sangit Raj" is divided into how many parts (Ullasas/Ratnakoshas)?
Explanation
Rana Kumbha was an expert in music and authored the monumental treatise "Sangit Raj," which is considered one of the most comprehensive works on Indian music and dance. The text is systematically divided into five distinct sections or "Ratnakoshas": Pathya, Gita, Vadya, Nritya, and Rasa. This work demonstrates Kumbha’s deep intellectual engagement with the classical arts and his role as a scholar-king.
Q2490. Select the correct sequential order of events for a bill to become an Act of Parliament:
Explanation
For a bill to become an act, it must follow a structured legislative process. It is first introduced and passed by both Houses of Parliament--the Lok Sabha and the Rajya Sabha. After receiving approval from both, it is presented to the President for assent. Once the President grants assent, the act is published in the Official Gazette, making it a binding law.Answer key for these questions
| Q | Correct answer |
|---|---|
| 2481 | (b) Suspensive Veto - Used when the President returns a bill for reconsideration. |
| 2482 | (b) Crop rotation incorporating leguminous fodder crops like clover or alfalfa. |
| 2483 | (b) General Service Tax on telecommunication |
| 2484 | (a) Digestion of invading viral DNA to prevent cell infection |
| 2485 | (b) It was built by a Banjara |
| 2486 | (b) When both the Houses of Parliament are not in session, or when either House is not in session |
| 2487 | (b) 73rd and 74th Amendments |
| 2488 | (c) Kary Mullis |
| 2489 | (c) Five |
| 2490 | (a) Passed by Lok Sabha Passed by Rajya Sabha Assent by President Publication in Official Gazette |
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.