GCSE Biology Exam Paper Review

These flashcards cover key concepts from the GCSE Biology exam notes, focusing on vocabulary relevant to the subject.

HIV (Human Immunodeficiency Virus)

A pathogen that spreads primarily through sexual intercourse.

Vaccine

A substance used to stimulate the production of antibodies and provide immunity against one or several diseases.

Mitosis

The process by which a cell divides to produce two new identical daughter cells for growth and repair.

Diffusion

The process by which substances move from an area of higher concentration to an area of lower concentration.

Transpiration

The process of water movement through a plant and its evaporation from aerial parts, especially from leaves.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Control Variables

Factors that are kept constant during an experiment to ensure that the test results are reliable.

Independent Variable

The factor that is manipulated in an experiment to test its effects on the dependent variable.

Genetic Material

Molecules in cells (like DNA) that carry genetic information necessary for reproduction and function.

Surface area to volume ratio

A measure of how much surface area is present for a given volume; important in biological processes like gas exchange.