# A gardener grows a tomato plant. During summer, the leaves produce large amounts of sucrose through photosynthesis. By autumn, the developing tomato fruits are the main regions receiving sucrose. Explain how sucrose moves from the leaves to the developing fruits in the tomato plant.

> Cambridge International IGCSE Biology (0610) — 8.4 Translocation · Explain · 4 marks

## Mark scheme (4 marks)

1. Sucrose is transported through the phloem
2. The leaves act as a source (where sucrose is produced)
3. The developing fruits act as a sink (where sucrose is stored or used)
4. Translocation requires / uses energy

## Related

- [Revision notes for Cambridge International IGCSE Biology (0610)](https://www.gradenine.co.uk/learn)
- [How to answer "Explain" questions](https://www.gradenine.co.uk/tools/command-word-cheatsheet)
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Source: [GradeNine](https://www.gradenine.co.uk/q/a-gardener-grows-a-tomato-plant-e82576c5) · Published by Druglandscape Ltd.