JS8 After SA

Xylem transports water and

• mineral ion

• sucrose

• amino acids

the water moves into a root hair by

• diffusion

• osmosis

• evaporation

water evaporates from the ................................. cells in leaves and then diffuses out of the stomata

• mesophyll

• guard

• xylem

environmental factor is most likely to be responsible for a plant to wilt

• A decrease in light intensity

• A decrease in the amount of available water

• A decrease in wind speed

translocation is ..............

• The movement of sucrose and amino acids through the phloem from a source to a sink

• The unidirectional movement of sucrose and amino acids through the phloem

• The movement of mineral ions through the xylem of a plant

Which organ produces amylase?

• Liver

• Pancreas

• Gall bladder

Which chemical reaction takes place in the stomach?

• Proteins are digested into fatty acids

• Starch is digested by lipase

• Proteins are digested by protease

State the type of digestion that breaks up large pieces of food

• mechanical digestion

• chemical digestion

• ingestion

constipation is ..............

• diet contains very little vitamin c

• diet contains very little fibre

• diet contains very little iron

scurvy is lack of fruits such as

• orange

• melon

• papaya