Aqa Biology Higher Gcse Questions (GCSE Biology)

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

Which organism is a vector that transmits malaria between people?

Why is sodium hydrogencarbonate (NaHCO3) solution used for the floating leaf disc photosynthesis test instead of plain water?

Which structural feature distinguishes an artery from a vein?

Which statement correctly describes antibiotic resistance?

Why are viruses not killed by antibiotics that target bacterial cell walls?

Which graph relationship obeys the inverse square law for light intensity from a point source?

Which sub-cellular structure is the site of aerobic respiration in animal and plant cells?

Which change would decrease the rate of transpiration in a plant?

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

What type of cell is produced by fusing a mouse lymphocyte with a tumour cell when making monoclonal antibodies?