Aqa Gcse Combined Science Trilogy : Biology Paper 1 319 Correctly Answered Questions Latest Update

Which is more efficient, aerobic or anaerobic respiration, why? {Ans: Aerobic respiration because the glucose in anaerobic respiration is not fully oxidised, meaning more oxygen is transferred during aerobic respiration}What is the main advantage of an artificial heart transplant? {Ans: It is less likely to be rejected by the bodies immune system}What to phloem tubes transport? {Ans: Food}What is the shape of a leaf and why is it shaped this way? {Ans: It has a flattened shape to increase the area of this exchange surface so that it is more effective}What gas diffuses out of the alveolus? {Ans: Oxygen}What is respiration? {Ans: The process of transferring energy from glucose which goes on in every cell}