The diagram shows a potted plant and the same plant 24 hours later.
What causes the change in the appearance of the plant?

The lower end of a plant stem is placed in water coloured with red dye. After three hours, the stem is cut as shown in the diagram.

Which labelled region is stained red?

The diagram shows a plant shoot and the same shoot six hours later.

Which change in environmental conditions could cause this change in the shoot?

A celery stalk is placed in a beaker of blue dye. Once the dye reaches the leaves, the stalk is taken out and cut in half.

Which diagram shows the appearance of the cut end of the stalk?

The diagram shows a cross-section through a plant root.
Q shows the part that is stained red when the root is placed in water containing a red dye.

What is found at Q?

The diagram shows part of the trunk of a small tree with a ring of bark removed. Removing the ring of bark takes away phloem but leaves the xylem intact.
What effect will removing the bark have on the two branches?

The diagram shows two shoots at the start of an experiment on transpiration.
What are the likely readings on the spring balances after three days?

Which statements about plant transpiration are correct?

The diagram shows how water is lost from a leaf.
By which process is the water lost?

The diagram shows a cross-section through a plant stem.
Q shows the part that is stained red when the stem is placed in water containing a red dye.

What is found at Q?

The graph shows how the rate of transpiration is affected by X.
What is X?

The diagram shows the stem of a plant. A strip of the outer tissue including the phloem has been removed.
How is transport in the plant affected?