1. Mineral Uptake
Describe the function of xylem vessels in the transport of mineral ions.
Describe how you could investigate plant mineral deficiencies practically.

2. Mineral Uptake Refer to p214-215
Why do plants need minerals?
Draw up a table summarising the four main minerals needed by plants, like this:
Define active transport. Explain why plants need energy to move minerals into their roots.
Describe the two ways that minerals can move from the roots to the xylem.
Plan an experiment to investigate the effect of calcium deficiency in a plant.
Mineral
Needed for
Symptoms of deficiency

3. You should include the following:
Mini-essay: Describe how the uses of plant fibres and starch may contribute to sustainability.
In 1000 words or less, describe how the uses of plant fibres and starch may contribute to sustainability.
You should include the following:
the structure of plant fibres
how fibres are processed to make products
at least one specific example of a use of plant fibres.
the structure and use of bioplastics
define sustainability and explain why it is an important idea.