Question Constellation Sign up for free AQA · GCSE · Biology
Organisation
01.1 · 1 mark Coronary Heart Disease Blood Vessels Which blood vessels are affected by coronary heart disease? 01.2 · 2 marks Chest Compressions and Oxygen Delivery Explain why putting pressure on the heart helps the person. 01.3 · 1 mark Rescue Breaths and Oxygen Supply Describe how forcing air into the person’s lungs helps the person. 01.4 · 1 mark Managing High Blood Cholesterol Name one type of drug that would decrease the level of cholesterol in the person’s blood. 01.5 · 2 marks Stents and Coronary Blood Flow Explain how a stent works to treat coronary heart disease. 01.6 · 2 marks Patterns in Smoking Risk Data Give two conclusions that can be made from the data in Table 1. 01.7 · 4 marks Cardiovascular Risk Bar Chart Complete Figure 1. You should: label the y-axis; add the correct scale to the y-axis; plot the data from Table 1; label each bar... 01.8 · 1 mark Lifestyle Cardiovascular Risk Factors Describe one lifestyle factor that can increase the risk of cardiovascular disease. Do not refer to smoking in your answer. 02.2 · 1 mark Organs Affected by Cystic Fibrosis Which letters in Figure 2 show the lungs, the pancreas and the small intestine? 02.3 · 6 marks CF Digestion and Body Mass Explain why a person with CF has difficulty digesting food and difficulty gaining body mass. 02.4 · 3 marks Alveolar Adaptations for Gas Exchange Describe three features of the alveoli that help maximise gas exchange. 03.1 · 6 marks Chemical Tests for Carbohydrates Describe the chemical tests that could be used to show the presence of the two types of carbohydrate in cake. Include a risk... 03.2 · 1 mark Variables in the Bread Investigation What was the dependent variable in the investigation? 03.3 · 1 mark Controls in the Bread Investigation Give one control variable the student should have used in the investigation. 03.4 · 3 marks Bread Digestion and Sweet Taste Explain why the bread tasted sweet. 03.5 · 1 mark Validity of the Bread Investigation Suggest one reason why the results of the investigation were not valid. Do not refer to control variables in your answer. 04.1 · 3 marks Specialised Plant Tissues Complete the sentences about plant tissues. 04.2 · 1 mark Strengthening Xylem Tissue Name one other substance that strengthens xylem tissue. 04.3 · 1 mark Sugar Transport Through Phloem Name the process that transports dissolved sugars around a plant.
AQA · GCSE · Biology
Cell biology
02.1 · 1 mark Cellular Location of the CF Gene Where in a cell would the CF gene be found? 04.4 · 1 mark Plant Cell Internal Compartments Name part Y in Figure 3. 04.5 · 5 marks Sugar Movement Between Phloem Cells Explain how sub-cellular structures help to move dissolved sugars from cell X into the phloem cell. 04.6 · 1 mark Phloem Cell Differentiation Describe one change in structure that occurs when an unspecialised cell differentiates to form a phloem cell. Use Figure 3.
AQA · GCSE · Biology