BIOLOGY GCSE FINAL EXAM 2025 STUDY
QUESTIONS AND ANSWERS GRADED A+
Define movement
An action by an organism or part of an organism causing a change of position or
place
Define respiration
The chemical reaction that breaks down nutrient molecules in living cells to release
energy
Respiration word equation
Glucose+oxygen->water+carbon dioxide
Respiration symbol equation
Define sensitivity
Ability to detect or sense changes in the environment and to make responses
,BIOLOGY GCSE FINAL EXAM 2025
Define growth
A permanent increase in size and mass by an increase in cell number or cell size
Define reprouction
Processes that make more of the same kind of organisms
Define excretion
Removal from organisms of toxic materials, the waste product of metabolism and
substances in excess requirement
Define nutrition
Taking in of nutrients which are organic substances and mineral ions, containing
raw materials or energy for growth and tissue repair, absorbing and assimilating
them
Define cell
The smallest structural and functional unit of an aorganism
,BIOLOGY GCSE FINAL EXAM 2025
State differences between the typical animal and plant cell
-Only plant cells have chloroplasts and cell walls
-Shape of plant cell is more regular
-Animal cells store carbohydrates as glycogen, plant cells store carbohydrates as
starch
Function of nucleus (cell)
Contains DNA (Genetic material), which controls cell activity
Function of cytoplasm
Where chemical reactions take place
Function of cell membrane
Partially permeable membrane which controls substances that move in and out of
the cell
Function of cell wall
Strengthens and protects the cell
, BIOLOGY GCSE FINAL EXAM 2025
Function of chloroplast
Contains chlorophyll which absorbs light energy for photosyntheis
Word equation for photosynthesis
Carbon dioxide+water->Oxygen+glucose
Symbol equation fo photosynthesis
Function of vacuole
Filled with cell sap which helps keep the cell turgid
Function of red blood cell
Carries oxygen around the body to all respiring tissues
(Contains haemoglobin which picks up oxygen)
How the red blood cell is suitable for its function