6093 12. Nutrition and Transport in Plants (Leaf Structure)

Label the parts of the leaf.

b

c

d

spongy mesophyll

vascular bundle

palisade mesophyll

stomata

The layer of the leaf that has long cells with many chloroplasts is called the (a)   mesophyll layer.

How are palisade mesophyll cells adapted for photosynthesis?

• many chloroplasts

• many intercellular air spaces

• high surface area to volume ratio

• many mitochondria

Label the xylem and the phloem.

a

b

phloem

xylem

The spongy and palisade (a)   layers contain cells that can photosynthesise.

What type of cells make up the vascular bundle?

• xylem

• phloem

• guard cells

• spongy mesophyll cells

The intercellular air spaces in the spongy mesophyll allows for (a)   of carbon dioxide and oxygen.

Which cells contain chloroplasts?

• palisade mesophyll

• spongy mesophyll

• guard cells

• xylem cells

Which layer of cells contains the most stomata?

• mesophyll layer

• upper epidermis

• lower epidermis

​ (a)   ​ control how big or small ​ (b)   are.

• guard cells
• stomata
• xylem
• air spaces