JESS Dubai
Marta is running, Sam is sitting on a chair. Suggest two things Marta will need more of than Sam. (2)
Suggest one way Marta's body will change when she runs.
Name two substances aerobic respiration produces in humans. (2)
Which gas is needed for respiration in plants?
Which organs get shorter and thicker to make the lung volume greater?
There are no units given in the table. Suggest suitable units for the volume of air.
What is the mean average volume of air per breath? show your working (2)
Which two gases are exchanged in the air sacs? tick one box
Describe two features that increase the speed of gas exchange in the air sacs. (2)
What does the bacterium use part X for?
Name one food made using bacteria.
Describe what the pie chart of the scalp shows.
Suggest an area inside the body where you would expect to find bacteria.
Most bacteria are decomposers. Describe what a decomposer does.
What is the name for organisms made of only one cell.
The red panda is an endangered mammal. Red pandas live in the trees in the forest in China. Explain one way of making sure the red panda does not become extinct.
Give one reason why we should try to keep a high biodiversity.
Which part of a cell are chromosomes found in?
Name one substance found in chromosomes.
Name this specialised plant cell
What is the function of this cell?
Name this process
State where this process happens
State two resources bacteria need to grow. (2)
What percentage of underarm bacteria were Campylobacter?
Which of these kingdoms contains only organisms which are made of only one cell?
Gas X is needed for this process. What is gas X?
Gas Y is produced in this process. What is gas Y?