GCSE BIOLOGY AQA Respiration EXAM REVISION QUESTIONS WITH
VERIFIED SOLUTIONS LATEST 2025 UPDATE.
Cellular respiration - ANSWER- Exothermic reaction
Continuous in living cells
Aerobic - ANSWER- Using oxygen
Transfers lots of energy
Mitochondria - ANSWER- Site of aerobic respiration
Contain enzymes
Rod shaped organelles
Found in plant, animal, fungi and algae cells
Active cells - ANSWER- Contain more mitochondria
Anaerobically - ANSWER- Without oxygen
Transfers a little energy
Cytoplasm - ANSWER- Site of anaerobic respiration
, Energy used for:
Chemical reactions to build larger molecules - ANSWER- Synthesis reactions
Energy used for:
Movement - ANSWER- Muscle cells contract
Energy used for:
Keeping warm - ANSWER- Mammals and birds maintain a constant body temperature
Energy is used for:
Moving mineral ions in plants - ANSWER- e.g nitrate ions required to make amino acids
Moved from soil into root hair cells
Active transport - ANSWER- Movement from low to high concentration
Against concentration gradient
Requires energy from respiration
Can happen in plant and animal cells
Glucose - ANSWER-
VERIFIED SOLUTIONS LATEST 2025 UPDATE.
Cellular respiration - ANSWER- Exothermic reaction
Continuous in living cells
Aerobic - ANSWER- Using oxygen
Transfers lots of energy
Mitochondria - ANSWER- Site of aerobic respiration
Contain enzymes
Rod shaped organelles
Found in plant, animal, fungi and algae cells
Active cells - ANSWER- Contain more mitochondria
Anaerobically - ANSWER- Without oxygen
Transfers a little energy
Cytoplasm - ANSWER- Site of anaerobic respiration
, Energy used for:
Chemical reactions to build larger molecules - ANSWER- Synthesis reactions
Energy used for:
Movement - ANSWER- Muscle cells contract
Energy used for:
Keeping warm - ANSWER- Mammals and birds maintain a constant body temperature
Energy is used for:
Moving mineral ions in plants - ANSWER- e.g nitrate ions required to make amino acids
Moved from soil into root hair cells
Active transport - ANSWER- Movement from low to high concentration
Against concentration gradient
Requires energy from respiration
Can happen in plant and animal cells
Glucose - ANSWER-