Aqa Biology Higher Gcse Questions (GCSE Biology)

Which chamber of the heart pumps deoxygenated blood to the lungs?

What property of monoclonal antibodies makes them useful for detecting a specific drug in urine tests?

Which is a correct description of anaerobic respiration in human muscle cells during vigorous exercise?

What is the main advantage of fitting a stent to a blocked coronary artery?

Which change would you expect when a plant cell is placed into a concentrated salt solution (hypertonic) compared to pure water?

Why do scientists incubate pathogenic bacteria at 37 °C for clinical tests while school labs use 25 °C?

Which blood vessels are most commonly affected by coronary heart disease?

In an experiment testing antibiotics on bacteria using paper discs on agar, which quantitative measurement gives the best comparison of antibiotic effectiveness?

Where is the heart’s natural pacemaker (sinoatrial node) located?

On a lateral flow urine test strip, what is the main role of the control area?

Why might pharmaceutical companies extract a medicinal chemical from berries rather than from leaves or roots of the same plant?