4 marksFoundation
A student tests some foods for starch, sugar and protein.
.1Which solution does the student use to test for starch?
[1 mark] .2The student heats a food with Benedict's solution. The food contains a lot of glucose.
What colour does the mixture turn?
[1 mark] .3Name the solution used to test for protein.
[1 mark] .4Suggest why the student heats the Benedict's test tubes in a water bath rather than directly over a Bunsen burner.
[1 mark] 3 marksFoundation
The human body has several ways of stopping pathogens entering.
.1How does the nose help to stop pathogens entering the body?
[1 mark] .2The stomach helps to defend the body against pathogens.
Name the substance the stomach produces that kills pathogens.
[1 mark] .3Malaria is caused by a protist. How is it passed from person to person?
[1 mark] 3 marksFoundation
A person touches a hot pan and quickly pulls their hand away. This is a reflex action.
.1Put the parts of the reflex arc in order, starting with the receptor.
[1 mark] .2How does the signal cross a synapse between two neurones?
[1 mark] .3Which part of this reflex is the effector?
[1 mark] 4 marksFoundation
Diseases can be communicable or non-communicable.
.2What is a carcinogen?
[1 mark] .3Drinking large amounts of alcohol over many years is a risk factor for disease in one organ in particular.
Name this organ.
[1 mark] 4 marksFoundation
Pathogens are microorganisms that cause infectious disease.
.1Which type of pathogen causes measles?
[1 mark] .2How is measles spread from person to person?
[1 mark]