Infection And Response - Aqa Biology Questions (GCSE Biology)

Why are aseptic techniques (e.g., flaming inoculation loop, working near a Bunsen flame, sealing plates) used when culturing bacteria?

Which method correctly increases confidence that a new drug’s claimed effect is real and not due to chance?

Which of the following differences correctly distinguishes sexual reproduction from asexual reproduction in protists like the malarial parasite?

Which statement correctly describes passive immunity?

Why might reports about a plant-derived drug’s benefits be biased?

Which of the following describes how monoclonal antibodies are produced?

Which practice helps to reduce the spread of antibiotic resistance in humans?

Which of the following is the best evidence that a lateral-flow test has failed to work?

Why do students in school use lower incubation temperatures (e.g., 25 °C) for bacterial plates instead of human body temperature (37 °C)?

How does damaging a bacterial cell wall with certain antibiotics cause the bacterial cell to burst (lyse)?

Which is the most likely explanation if an antibiotic that was effective last year no longer works against a strain of bacteria on the same farm?