School pilot live across Lahore · Karachi · Islamabad · MultanBring it to yours5,421 PCTB definitions mapped chapter-by-chapter across 33 books34,000+ MCQs reviewed by working Pakistani teachersWorks fully offline — built for prepaid data and load-sheddingNow live on Google Play — closed beta testing in progress100+ schools in the pilot — apply to bring Calibre to yoursApplySmart Tools per subject · Coach · Mistake Tracker · all rupee-pricedBuilt in Pakistan, for every Pakistani studentSchool pilot live across Lahore · Karachi · Islamabad · MultanBring it to yours5,421 PCTB definitions mapped chapter-by-chapter across 33 books34,000+ MCQs reviewed by working Pakistani teachersWorks fully offline — built for prepaid data and load-sheddingNow live on Google Play — closed beta testing in progress100+ schools in the pilot — apply to bring Calibre to yoursApplySmart Tools per subject · Coach · Mistake Tracker · all rupee-pricedBuilt in Pakistan, for every Pakistani student

MDCAT MCQs — 34,000+ Practice Questions

Practise 34,000+ MDCAT MCQs, subject-wise and chapter-wise, each tagged to its PMDC learning outcome with a full answer and explanation. Drill your weak units, and watch your live /200 score climb inside Calibre.

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Try a few sample MCQs

Q1. Which organelle is the site of aerobic respiration in a eukaryotic cell?

  • A. Ribosome
  • B. Mitochondrion
  • C. Golgi apparatus
  • D. Lysosome

Why: The mitochondrion is where the Krebs cycle and electron transport chain occur, producing most of the cell’s ATP.

Q2. What is the SI unit of electric current?

  • A. Volt
  • B. Watt
  • C. Ampere
  • D. Ohm

Why: The ampere (A) is the SI base unit of electric current.

Q3. Which gas is released during the light-dependent reactions of photosynthesis?

  • A. Carbon dioxide
  • B. Nitrogen
  • C. Oxygen
  • D. Hydrogen

Why: Water is split (photolysis) in the light reactions, releasing oxygen as a by-product.

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