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Which organelle is the main site of aerobic respiration in cells?

easy MCQ 1 mark Class 7 · Science · Respiration in Organisms
  1. nucleus
  2. mitochondria
  3. chloroplast
  4. cytoplasm
Answer
mitochondria

The correct answer is mitochondria — Answer: mitochondria

Step-by-step solution

  1. Identify the organelle responsible for ATP production through oxidative phosphorylation.
  2. Recall that mitochondria house the electron transport chain and ATP synthase.
  3. Confirm that this process uses oxygen and produces CO₂.
  4. Select the organelle that fits this role.
  5. Answer: mitochondria
Common mistake: confusing chloroplast with mitochondria

Concept tested: cellular respiration site

Published · How this solution was prepared and checked

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