AQA Biology A-Level - Essay Titles and
Topics Exam Questions And Answers
The importance of responses to changes in the internal and
external environment of an organism - - -
correct answer ✅Transmission of nerve impulses, blood glucose
control, chemoreceptors, opening and closing of stomata in plants,
transport in and out of cells, selection pressures and adaptation
and selection
How cells and organisms carry out exchanges with their external
environment to maintain their internal environment. - - -
correct answer ✅Stomata and transpiration in plants, gas
exchange in fish, gas exchange mechanism in humans, negative
feedback and the principles of homeostasis, neurones and nerve
impulses, nutrient cycles
Carbon dioxide may affect organisms directly or indirectly. Describe
and explain these effects. - - -
correct answer ✅Photosynthesis in the Calvin cycle,
chemoreceptors, mechanism of breathing, respiration
There are many different types of relationships and interactions
between organisms. - - -
correct answer ✅Human impacts on the environment and
farming, predation and prey/succession and ecosystems,
Topics Exam Questions And Answers
The importance of responses to changes in the internal and
external environment of an organism - - -
correct answer ✅Transmission of nerve impulses, blood glucose
control, chemoreceptors, opening and closing of stomata in plants,
transport in and out of cells, selection pressures and adaptation
and selection
How cells and organisms carry out exchanges with their external
environment to maintain their internal environment. - - -
correct answer ✅Stomata and transpiration in plants, gas
exchange in fish, gas exchange mechanism in humans, negative
feedback and the principles of homeostasis, neurones and nerve
impulses, nutrient cycles
Carbon dioxide may affect organisms directly or indirectly. Describe
and explain these effects. - - -
correct answer ✅Photosynthesis in the Calvin cycle,
chemoreceptors, mechanism of breathing, respiration
There are many different types of relationships and interactions
between organisms. - - -
correct answer ✅Human impacts on the environment and
farming, predation and prey/succession and ecosystems,
