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. MPSC State Service
  6. ›
  7. 2020 (CSAT)
  8. ›
  9. Q35

MPSC State Service 2020 · CSAT · Question 35 of 77

Which of the following are incorrect statements? a. A non-aerobic decomposition is not preferred over an aerobic decomposition by bacteria. b. Porous soil is not preferred for filtration. c. Organic acids present in soil decrease the fertility of soil. d. Rocky soils are unsuitable for filtration and non-aerobic decomposition.

Reading Comprehension

  1. AOnly b and cCorrect
  2. BOnly c and d
  3. Ca, b, c
  4. Db, c, d

Answer: A. Only b and c

Explanation

Distance is equal, so revolutions are inversely proportional to diameter: 21 x 50/35 = 30.

Source: MPSC Rajyaseva Prelims 2020 – CSAT Paper II (Set C), official paper

← Q34View full paper (77 questions)Q36 →

Practice the full MPSC State Service 2020 paper

Timed test with all 77 questions, just like the real exam.

Start test