why do plant cells need mitochondria
plants need chloroplasts and mitochondria because chloroplasts take place in photosynthesis and mitochondria is the main power source of a cell and its the organelles in which â¦ sugar is broken down to release energy.4 people found this useful.ell plant cells need chloroplasts because that's where photosynthesis takes place. Also they need mitochondria because that's where cellular respiration takes place.