Practice question · Match the pairs
Match each plastid or organelle to its role.
- Chloroplast
- Chromoplast
- Amyloplast
- Peroxisome
- Captures light and fixes carbon
- Runs oxidative reactions and destroys peroxide
- Stores the pigments colouring fruit and flowers
- Stores starch and senses gravity in roots
Hints
- Three are plastids and one is a separate organelle.
- One of these has a sensory role as well as a storage one.
Show the answer
- Chloroplast → Captures light and fixes carbon
- Chromoplast → Stores the pigments colouring fruit and flowers
- Amyloplast → Stores starch and senses gravity in roots
- Peroxisome → Runs oxidative reactions and destroys peroxide
Why
The three plastids share an origin and interconvert. The amyloplast is doubly useful: dense starch grains settle under gravity, and the root uses that settling to tell which way is down.
Practise Mitochondria, Plastids and the Plant Cell
The app has 4 more questions on this lesson, and keeps your place in the course. Biology I is free to start.
More questions on Mitochondria, Plastids and the Plant Cell
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