7.1 Identify the apparatus shown above. (1)

10.2 Explain why the walls of the right and left ventricles differ in thickness. (2)

2.5 Plants are able to carry out photosynthesis because they contain the organelle known as a(n) mitochondrion. (1)

TOTAL QUESTION 11: [5]

6.4 Explain why the patient might need to change the speed of the pump. (1)

2.1 The green pigment that absorbs light energy is chlorophyll. (1)

6.2 Suggest why the batteries for the heart pump are placed outside the body. (1)

1.5 Which valve prevents blood flowing back into the left atrium from the left ventricle? (1) A) The semi-lunar valve   B) The bicuspid valve   C) The tricuspid valve   D) All of the above  

1.4 What is the movement of sugars through a plant called? (1) A) Translation   B) Transcription   C) Translocation   D) Active Transport  

8. Study the diagram below and answer the questions.   Right-click on the button below to open the image in a new tab: