PYQPulse
HomeMocksPracticePYQsUpdatesDashboard
PYQPulse

Timing-accurate mock tests and PYQs for SSC, Banking and Railway exams — so the real paper feels like a revision.

Exams

  • SSC exams
  • Banking exams
  • Railway exams
  • All exams

Practice

  • Practice questions
  • Mock test series
  • Sectional tests
  • Year-wise PYQs
  • Performance analytics

Company

  • About us
  • Help Centre
  • Pricing
  • Sign in

Legal

  • Privacy Policy
  • Terms of Service

Contact

  • hello@testwala.co.in
  • Telegram
  • +91 62816 87760

Practice interface modeled on the official exam pattern — not the official examination. PYQPulse is not affiliated with the Staff Selection Commission, IBPS, SBI, RBI, NABARD, SEBI or Indian Railways.

© 2026 PYQPulse. All rights reserved.

Built for aspirants, by aspirants.

HomeMocksPracticeStats
  1. Home
  2. ›
  3. PYQs
  4. ›
  5. RRB Group D (Level-1 posts)
  6. ›
  7. 2025
  8. ›
  9. Q198

RRB Group D (Level-1 posts) 2025 · Question 198 of 386

Which of the following statements is correct about the size of atoms?

  1. AAtoms are larger than molecules.
  2. BAll atoms have the same size.
  3. CAtoms are visible under an ordinary microscope.
  4. DThe size of atoms is in the range of nanometres.Correct

Answer: D. The size of atoms is in the range of nanometres.

Official answer key verified. Detailed explanation coming soon.

Source: RRB Group D 2024 Question Paper PDF (Dec 27, 2025) (Shift 1) · official-answer-key

← Q197View full paper (386 questions)Q199 →

Practice the full RRB Group D (Level-1 posts) 2025 paper

Timed test with all 386 questions, just like the real exam.

Start test