Q521. In NITI Aayog’s SDG India Index, states and union territories are classified into different categories based on their scores. A state with a score of 65 to 99 is classified as a:
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.
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Q522. The nucleus of an atom consists of which of the following subatomic particles?
Explanation
The nucleus is the small, dense central region of an atom. It is composed of two types of subatomic particles collectively known as nucleons: protons, which carry a positive electrical charge, and neutrons, which have no charge. Together, these particles account for nearly all of the atom’s mass, while the negatively charged electrons orbit the nucleus at relatively large distances.
Q523. Consider the following statements regarding the Pre-Harappan phase at Kalibangan:
I. The settlement was fortified with mud-brick walls.
II. Houses were constructed primarily using standardized baked bricks.
III. There is clear stratigraphic evidence of a catastrophic earthquake ending this phase.
IV. The ploughed field features a grid of furrows indicating mixed cropping.
V. The pottery of this phase is distinctly different from the Mature Harappan pottery.
Which of the above statement(s) is/are correct?
I. The settlement was fortified with mud-brick walls.
II. Houses were constructed primarily using standardized baked bricks.
III. There is clear stratigraphic evidence of a catastrophic earthquake ending this phase.
IV. The ploughed field features a grid of furrows indicating mixed cropping.
V. The pottery of this phase is distinctly different from the Mature Harappan pottery.
Which of the above statement(s) is/are correct?
Explanation
The Pre-Harappan phase at Kalibangan was characterized by a fortified settlement and a unique ploughed field showing mixed cropping. The pottery was distinctly different from the later Mature phase. Crucially, evidence of a catastrophic earthquake was discovered, which appears to have brought this phase to an end. Unlike the Mature period, houses in this earlier stage were primarily built using mud bricks.
Q524. Deprivation of Indian citizenship is a compulsory termination by the Central government. Which of the following is not a valid ground for such deprivation?
Explanation
Voluntarily migrating for employment is not a ground for ‘deprivation’ by the government. Deprivation is reserved for serious acts like obtaining citizenship through fraud, showing disloyalty to the Constitution, or helping an enemy during war. However, if a person voluntarily acquires the citizenship of another country while abroad, their Indian citizenship would be ‘terminated’ automatically, which is distinct from being ‘deprived’.
Q525. The primary objective of the SDG India Index developed by NITI Aayog is to:
Explanation
The primary goal of the SDG India Index is to track the progress of States and Union Territories toward achieving the 2030 global goals. Developed by NITI Aayog, the index provides a comprehensive framework for evaluating performance across various social, economic, and environmental indicators. By ranking states, it fosters a spirit of competitive federalism, encouraging local governments to adopt better policies and improve their development outcomes.
Q526. Consider the following statements regarding the electron:
I. It has a negative electrical charge.
II. Its mass is approximately 1/1836 that of a proton.
III. It resides strictly within the nucleus of an atom.
Which of the above statement(s) is/are correct?
I. It has a negative electrical charge.
II. Its mass is approximately 1/1836 that of a proton.
III. It resides strictly within the nucleus of an atom.
Which of the above statement(s) is/are correct?
Explanation
Electrons are fundamental subatomic particles with a negative charge. Their mass is extremely small, approximately one eighteen-hundred-thirty-sixth that of a proton. Crucially, electrons do not reside within the nucleus; instead, they are found in the space surrounding the nucleus, organized into energy levels. This external positioning is essential for chemical bonding and electrical conductivity in materials.
Q527. Which of the following artifacts was NOT found in the Pre-Harappan levels of Kalibangan?
Explanation
The Pre-Harappan levels at Kalibangan have yielded various artifacts, including copper axes, stone querns, and tiny steatite microbeads. However, the sophisticated steatite seals featuring unicorn motifs and Harappan script are absent from this early phase. These iconic seals are a hallmark of the Mature Harappan urban period and represent a later development in administrative and trade practices within the Indus Valley.
Q528. A citizen of India, who acquired citizenship by naturalization, can be deprived of it if they have been sentenced to imprisonment in any country for a continuous period of at least:
Explanation
A person who has become an Indian citizen by naturalisation or registration can be deprived of their citizenship by the Central government if, within five years after such registration or naturalisation, they have been sentenced to imprisonment in any country for a period of not less than two years. This provision ensures that only individuals of good character are allowed to retain their granted citizenship.
Q529. In the context of NITI Aayog’s SDG India Index, which state consistently ranked at the top of the index in multiple consecutive recent iterations?
Explanation
Kerala has consistently performed well and often secured the top rank in NITI Aayog’s SDG India Index. The state’s high performance is attributed to its strong social indicators, including excellent healthcare, high literacy rates, and proactive social welfare policies. These achievements align closely with many of the global Sustainable Development Goals, making Kerala a model for human development and sustainable progress within the Indian federal system.
Q530. The atomic number of an element represents the total number of:
Explanation
The atomic number is a fundamental property of an element that defines its identity. It represents the total number of protons found in the nucleus of every atom belonging to that element. In a neutral atom, the atomic number also equals the number of electrons. Because the number of protons determines the chemical behavior, no two different elements share the same atomic number.Answer key for these questions
| Q | Correct answer |
|---|---|
| 521 | (d) Front Runner |
| 522 | (d) Protons and neutrons |
| 523 | (a) I, III, IV, and V only |
| 524 | (b) The citizen has voluntarily migrated to another country for employment. |
| 525 | (b) Measuring State/UT SDG progress. |
| 526 | (a) I and II only |
| 527 | (c) Mature Harappan steatite seals with various unicorn motifs |
| 528 | (b) Two years, within five years of naturalization. |
| 529 | (c) Kerala |
| 530 | (c) Protons in its nucleus |
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.