Identical twins have identical genes. If one twin has type 1 diabetes, the other twin will also have type 1 diabetes approximately 50% of the time. What can you conclude from this information?

5.1 Provide another name for ‘heart disease’.   (1)

3.2 Give the letter where bolus is digested further, resulting in chyme.   (1)

1.7 Earth’s furthest layer in its atmosphere is called the… (1)       A) Exosphere   B) Stratosphere   C) Thermosphere   D) Troposphere  

5.3 Describe how you could demonstrate the magnetic field around two magnets. (2)

3.7 Name the acid found in the stomach and provide one function of this acid. (2)

QUESTION 5 The diagram below illustrates a paper clip that is being attracted by a bar magnet. Study the diagram and answer the questions that follow: Right click on the following button to open the link in a new tab to view the image:   

1.3 Which one of the following organs is not part of the digestive system? (1)       A) Pancreas   B) Gall bladder   C) Appendix   D) Liver  

5.4 Draw the magnetic field experienced between the bar magnet and paper clip. Remember to label the poles of the bar magnet. Upload your answer.  (4)

4.2 Using the diagram, correct to two decimal places, calculate the percentage of oxygen in the atmosphere. (3)