Describe and explain what happens when a ring of bark is removed from the stem as shown in the diagram.
The part above the cut region swells up. Food made by the leaves cannot be transported down as the food carrying tubes are removed.
Jane soaked a stem in water with red dye. She then cut the stem and examine the cross section of the stem. Name the part which will turn red.
A; water-carrying tubes
Which part of the stem, A, B, C or D shown in the diagram, transports manufactured food? Name the part.
C, Food-carrying tubes
Which part of the stem, A, B, C or D shown in the diagram, transports water and mineral salts? Name the part.
A; Water-carrying tubes
Using the numbers given, trace the pathway of water in the plant.
2,3,4,5,6,7
Using the numbers given, trace the pathway of manufactured food in the plant.
7,6,5,4,3,2
A plant was wrapped in plastic bag as shown in the picture and left in the sun for 12 hours. Describe and explain what happens.
Water droplets are seen on the inside of the plastic bag. Water vapour escapes the stomata of the leaves. The warmer water vapour then condenses on the plastic.
Lia took 4 leaves & weighed them before the experiment. She then set up the experiment as shown. After 24 hours, she weighed them again. Rank the leaves according to the amount of weight loss starting from the least to the most.
A, B, C, D
