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RRB Group D - General Science PYQ Quiz 302

10 PYQ questions from RRB Group D - General Science

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About This Quiz

10 PYQ questions from RRB Group D - General Science RRB Group D - General Science PYQ Quiz 302 is a free, 10-minute, 10-mark practice quiz on AajExam rated at medium difficulty, designed to help candidates preparing for SSC, UPSC, Banking, Railway and State PSC government competitive exams sharpen their command of General Science (General Science). Every question on this quiz ships with a detailed step-by-step solution so you don't just learn the right answer — you learn the reasoning and shortcuts top scorers use to crack similar questions faster on the actual exam day. Why RRB Group D - General Science PYQ Quiz 302 matters in your preparation: government exam-conducting bodies repeatedly draw questions from the same chapters and the same skill-clusters across recruitment cycles. By attempting focused topic-wise quizzes like this one, you build pattern recognition — the ability to spot which formula, rule or trick applies the moment you see a question. Toppers consistently report that 5-10 quizzes on a single topic delivers more exam-day score gain than 20+ unfocused full-length mocks, because targeted drilling exposes your specific sub-topic weaknesses with surgical precision. How to use this quiz effectively: attempt it in one sitting under the 10-minute timer, without referring to notes or external resources — simulate exam-day conditions exactly. After submission, review the auto-generated analytics to see your accuracy, time per question and section-wise performance. Then go through every wrong and skipped question with the explanation, mentally tagging the underlying concept rather than just memorising the answer. Revisit this quiz after 7-10 days; your second attempt should be 15-20% faster with noticeably better accuracy. After mastering this quiz, explore the 6 related quizzes linked below to broaden your topic coverage. AajExam quiz design principles: every quiz on the platform is curated by subject experts using the actual question formats, difficulty distributions and time pressures of the target government exams. We deliberately avoid generic "textbook" questions in favour of exam-replicating ones. Solutions are written in plain English (and Hindi where source material was bilingual), with step-by-step working for quantitative problems, grammar rules for English questions, and direct reference statements for general awareness items. Performance analytics after each attempt include accuracy, attempt rate, time spent per question, and an estimated all-India percentile so you know exactly where you stand against other candidates. This quiz is completely free to attempt. You only need a free AajExam account to track your performance across attempts, view detailed solutions and unlock the platform-wide analytics dashboard. The platform is mobile-friendly and works seamlessly on smartphones, tablets and desktops — so you can sharpen your General Science (General Science) skills in any spare 15-minute window.

This is one set from a larger bank. See all RRB Group D General Science previous year questions.

RRB Group D - General Science PYQ Quiz 302 — Questions with Solutions

All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.

  1. Q1.When Mendeleev started the work (Classification of Elements), _______ elements were known.

    • A.64
    • B.63
    • C.65
    • D.61
    Show answer

    Answer: B. 63

  2. Q2.Which of the following is an organic acid?

    • A.Carbonic acid
    • B.Sulfuric acid
    • C.Nitric acid
    • D.Oxalic acid
    Show answer

    Answer: D. Oxalic acid

  3. Q3.Frequency is expressed in _______ and indicates that the event is repeated every second.

    • A.Ohm
    • B.Decibel
    • C.Ampere
    • D.Hertz
    Show answer

    Answer: D. Hertz

  4. Q4._______ is a surface phenomenon.

    • A.Sweat
    • B.Boiling
    • C.Steam
    • D.Excitement
    Show answer

    Answer: C. Steam

  5. Q5.The potential difference across the terminals of an electric heater is 60V when it receives a current of 4A from the source. If the potential difference increases to 142.5V, what will be the current received by the heater?

    • A.15 A
    • B.24 A
    • C.9.5 A
    • D.12 A
    Show answer

    Answer: C. 9.5 A

  6. Q6.Read the following statements: A. If the value of the universal gravitational constant of the earth is Ge, then the value of the universal gravitational constant of the moon is Gm, then Ge = Gm. B. The force between two objects will be one-fourth of the mass of both objects is doubled. C. If the value of the universal gravitational constant on the earth is Ge and the value of the universal gravitational constant on the moon is Gm, then Ge > Gm. D. The acceleration due to gravity is doubled everywhere. Which of these statements is correct.

    • A.B, C and D
    • B.Only A
    • C.A, B and C
    • D.A, C and D
    Show answer

    Answer: B. Only A

  7. Q7._______ helps to know the speed of the vehicle.

    • A.Speedometer
    • B.Voltometer
    • C.Velometer
    • D.Lactometer
    Show answer

    Answer: A. Speedometer

  8. Q8.Alkanes are saturated hydrocarbons in which a bond is found between two carbon atoms, which has a general formula.

    • A.CₙH₂ₙ₊₂
    • B.CₙH₂ₙ₊₁
    • C.CₙH₂ₙ₋₁
    • D.CₙH₂ₐₙ₊₁
    Show answer

    Answer: A. CₙH₂ₙ₊₂

  9. Q9.The weight of an object on the surface of the earth is 20 N. What will be its weight when measured on the surface of the Moon?

    • A.2.01 N
    • B.3.33 N
    • C.1.67 N
    • D.4 N
    Show answer

    Answer: B. 3.33 N

  10. Q10.The froth flotation method is used for the concentration of _______ ore.

    • A.Mercury
    • B.Sodium
    • C.Sulfide
    • D.Copper
    Show answer

    Answer: C. Sulfide

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Frequently Asked Questions

Is RRB Group D - General Science PYQ Quiz 302 free to attempt on AajExam?

Yes. RRB Group D - General Science PYQ Quiz 302 is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.

How long does it take to complete RRB Group D - General Science PYQ Quiz 302?

RRB Group D - General Science PYQ Quiz 302 runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.

Are detailed solutions provided?

Yes. Every question on RRB Group D - General Science PYQ Quiz 302 ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.

Can I attempt RRB Group D - General Science PYQ Quiz 302 multiple times?

Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.

Which government exams does this quiz prepare me for?

General Science questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.

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