Year 9 Plant adaptations

Identify the structures on the surface of leaves that allow gas exchange to occur

• Stomata

• Waxy cuticle

• Spongy mesophyll

• Xylem

State the process that involves the loss of water vapour from leaves

(a)  

In which structures in plants are sugars transported?

• Xylem

• Guard cells

• Phloem

• Arteries

Identify the process in plants that requires the plant to use energy

• Gas exchange

• Transpiration

• Absorption of water

• Translocation

In which direction(s) are sugars transported in a plant?

• From the leaves in an upwards direction ONLY

• From the roots in an upwards direction ONLY

• From the leaves in a dowards direction ONLY

• From the leaves in either an upward or downward direction

In which tissue in the leaves does most of the photosynthesis take place?

• Palisade layer

• Upper epidermis

• Lower epidermis

• Waxy cuticle

Identify the strucures found in plant cells that are the site of photosynthesis

(a)  

In which conditions would the rate of transpiration be greatest?

• Hot with no air movements

• Cool with air movements

• Cool with no air movements

• Hot with air movements

Identify the cells responsible for the opening and closing of the stomata

• Root hair cells

• Palisade mesophyll cells

• Guard cells

• Spongy mesophyll cells

Identify the tissue in leaves in which large air spaces can be found

• Xylem

• Spongy mesophyll

• Waxy cuticle

• Palisade mesophyll