1a
6 marks
6 marksAll living things carry out eight 'life processes', one of which is excretion.
(i) Define the term excretion.
(1)
(ii) List five other life processes.
(5)
1b1 mark
1 markA substance that is excreted by plants is oxygen.
State the source of this excreted oxygen.
1c3 marks
3 marksComplete the table below using either a ✓ or a ✗ to indicate whether or not the plant processes described are examples of excretion
Process | Excretion ✓ or ✗ |
|---|---|
Water is drawn up from the roots of the plant and is lost through the leaves |
|
Carbon dioxide is released from respiring cells |
|
Dead leaves fall off deciduous plants during the autumn |
|
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