Water Transport in Plants

Question 1

A student puts a few drops of blue food colouring into the soil of a potted bean plant. After a few hours, the blue colour is seen in the plant’s leaves. Which statement best explains this observation?

Accepted Answer

Water carrying the colour moves from the roots, up the stem, and into the leaves.

Answer

Water carrying the colour moves from the flowers to the stem.

Answer

Water carrying the colour does not move through the plant.

Answer

Water carrying the colour moves from the leaves down to the roots.

Question 2

Which statement correctly describes how water moves through a flowering plant?

Accepted Answer

Water is taken up by the roots, travels up the stem, and reaches the leaves and flowers.

Answer

Water is taken up by the roots and stays in the roots, not reaching the leaves.

Answer

Water moves only through the stem to the flowers, bypassing the leaves.

Answer

Water is absorbed by the leaves, moves down the stem, and is stored in the roots.

Question 3

Which statement best describes how water moves through a plant after it is absorbed by the roots?

Accepted Answer

Water is taken up by the roots, moves up the stem through the xylem, and reaches the leaves and flowers.

Answer

Water is taken up by the roots and travels down through the stem to the leaves and then back up to the flowers.

Answer

Water is taken up by the roots and then moves directly from the roots to the flowers without passing through the stem.

Answer

Water is taken up by the roots and moves up the stem through the phloem to reach the leaves and flowers.

Try three questions

A student puts a few drops of blue food colouring into the soil of a potted bean plant. After a few hours, the blue colour is seen in the plant’s leaves. Which statement best explains this observation?

Which statement correctly describes how water moves through a flowering plant?

Which statement best describes how water moves through a plant after it is absorbed by the roots?

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