General SciencePYQ Mixmedium

RRB Group D - General Science PYQ Quiz 279

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 279 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 PYQ Mix (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 279 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 PYQ Mix (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 279 — 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.Which of the following is not the use of bleaching powder? (i) to make drinking water free from germs (ii) in soda-acid fire extinguishers (iii) as an oxidising agent in many chemical industries (iv) for baking cakes

    • A.ii
    • B.iii
    • C.iv
    • D.i
    Show answer

    Answer: C. iv

  2. Q2.Soil degradation is one of the major environmental problems being faced these days. A wide range of techniques to conserve soil are mentioned below. Select the INCORRECT option.

    • A.Crop rotation
    • B.Planting trees
    • C.Terrace farming
    • D.Overgrazing
    Show answer

    Answer: D. Overgrazing

  3. Q3.A contraceptive technique that increases phagocytosis of sperms within the uterus is:

    • A.use of oral contraceptives
    • B.use of condoms
    • C.surgery
    • D.use of copper T
    Show answer

    Answer: D. use of copper T

  4. Q4.The resistivity of a material is dependent on which of the following factors?

    • A.Temperature
    • B.Length
    • C.Resistance
    • D.Area of cross section
    Show answer

    Answer: A. Temperature

  5. Q5.A convex mirror used as a rear-view mirror of a car has a focal length of 2 m. If a bus is located at a distance of 3 m from the mirror, where will its image be formed?

    • A.1.2 m behind the mirror
    • B.0.83 m in front of the mirror
    • C.1.2 m in front of the mirror
    • D.0.83 m behind the mirror
    Show answer

    Answer: A. 1.2 m behind the mirror

  6. Q6.Guard cells are involved in the process of ________.

    • A.transport of food
    • B.tropic movements
    • C.circulation
    • D.transpiration
    Show answer

    Answer: D. transpiration

  7. Q7.Which of the following rules is used to determine the direction of induced current due to the motion of coil at right angle to the magnetic field?

    • A.Fleming's right-hand rule
    • B.Maxwell's corkscrew rule
    • C.Right-hand thumb rule
    • D.Fleming's left-hand rule
    Show answer

    Answer: A. Fleming's right-hand rule

  8. Q8.Which of the following has the maximum non-metallic characters in group 16 elements?

    • A.Po
    • B.Se
    • C.S
    • D.O
    Show answer

    Answer: D. O

  9. Q9.What will come in place of A and B, respectively, in the given double displacement reaction? A + B → AgBr + KNO₃

    • A.HBr and NaOH
    • B.Ag and HNO₃
    • C.HBr and NaOH
    • D.AgNO₃ and KBr
    Show answer

    Answer: D. AgNO₃ and KBr

  10. Q10.Which of the following is an example of a human cell that has the ability to modify its shape?

    • A.RBC
    • B.WBC
    • C.Brain cell
    • D.Liver cells
    Show answer

    Answer: B. WBC

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Frequently Asked Questions

Is RRB Group D - General Science PYQ Quiz 279 free to attempt on AajExam?

Yes. RRB Group D - General Science PYQ Quiz 279 is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.

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RRB Group D - General Science PYQ Quiz 279 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 279 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 279 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?

PYQ Mix 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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