Plant transport system revision

What does the xylem transport in a plant?

• Water and dissolved sugars

• Water and dissolved mineral salts

• water only

What is transpiration?

• The movement of water from the root hair cells

• The release of energy in plant cells

• The evaporation of water from the leaves

How do root hair cells absorb water?

• By osmosis

• By diffusion

• By active transport

What is the movement of sugars through a plant called?

• Translation

• Translocation

• Transcription

• Transpiration

What happens to the transpiration rate as the temperature increases?

• It decreases

• It stays the same

• It increases

How are the xylem and phloem arranged in plant roots?

• In the centre of the root

• In bundles near the edge of the root

• Evenly spaced out across the root

How are sucrose and amino acids transported in a plant?

• Through the xylem

• Through the phloem

• Through both xylem and phloem

Why does water loss slow down if a plant is put into a plastic bag?

• The humidity increases

• The temperature increases

• The light intensity increases

What happens to the rate of transpiration if wind speed increases?

• It decreases

• It stays the same

• It increases

Why does the rate of transpiration increase if the light intensity is increased?

• The humidity increases, which makes the rate of transpiration increase.

• The stomata open wider to let more carbon dioxide into the leaf for photosynthesis

• The root hair cells become more permeable to water, letting more water into the plant and through the xylem