Year 9 Science Quiz

Identify and label the nucleus and a chloroplast on Fig. 1.

Describe the changes that have taken place in the cell between Fig. 1 and Fig. 2.

Explain why the cell in Fig. 2 has changed.

Suggest how the cell in Fig. 2 could be treated so that it returned to its original appearance in Fig. 1.

State the name of the tissue that transports water up the stem and into a leaf in a plant.

Identify and label with the letter W, the position of the water transport tissue in each of the root, the stem and the leaf, on Fig. 3.

What term would correctly describe the level of organisation of the structure in the diagram above?

• Cell

• Organelle

• Organ

• Organ system

Give two examples of the importance of water as a solvent in living organisms.

State the overall direction in which water molecules will move.

Define the term 'osmosis'.