Plants make their own food by photosynthesis.
.1
Which word equation shows photosynthesis?
[1 mark].2
Photosynthesis is an endothermic reaction. What does this mean?
[1 mark].3
Name the green substance in chloroplasts that absorbs light.
[1 mark]AQA GCSE Combined Science June 2022 Biology Paper 1F
5 questions on this paper's topics
19:001 of 5
Body cells divide in a series of stages called the cell cycle.
.1
Put the stages of the cell cycle in the correct order, starting with the first.
[1 mark].2
Name the type of cell division in the cell cycle that makes two genetically identical cells.
[1 mark].3
In the nucleus of a human body cell, how are the chromosomes arranged?
[1 mark]A student tests some foods for starch, sugar and protein.
.1
Which solution does the student use to test for starch?
[1 mark].2
The student heats a food with Benedict's solution. The food contains a lot of glucose.
What colour does the mixture turn?
[1 mark].3
Name the solution used to test for protein.
[1 mark].4
Suggest why the student heats the Benedict's test tubes in a water bath rather than directly over a Bunsen burner.
[1 mark]Diseases can be communicable or non-communicable.
.1
Which two diseases are non-communicable? Tick two boxes.
[2 marks].2
What is a carcinogen?
[1 mark].3
Drinking large amounts of alcohol over many years is a risk factor for disease in one organ in particular.
Name this organ.
[1 mark]Pathogens are microorganisms that cause infectious disease.
.1
Which type of pathogen causes measles?
[1 mark].2
How is measles spread from person to person?
[1 mark].3
Which two actions reduce the spread of salmonella food poisoning? Tick two boxes.
[2 marks]