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. OPSC OCS
  6. ›
  7. 2023
  8. ›
  9. Q45

OPSC OCS 2023 · Question 45 of 97

Which one of the following is the process involved in photosynthesis?

Science & Tech

  1. APotential energy is released to form free energy
  2. BFree energy is converted into potential energy and storedCorrect
  3. CFood is oxidized to release carbon dioxide and water
  4. DOxygen is taken, and carbon dioxide and water vapour are given ou

Answer: B. Free energy is converted into potential energy and stored

Explanation

photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic…

Source: OPSC OCS Prelims 2023 GS Paper-I; answers per Apti Plus unofficial key

← Q44View full paper (97 questions)Q46 →

Practice the full OPSC OCS 2023 paper

Timed test with all 97 questions, just like the real exam.

Start test