Science Quiz / AQA GCSE Science A Biology Key Words

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Can you name the key words?

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HintAnswer
Group of organisms that are similar and capable of producing fertile offspring.
Diet that has the right amount of proteins, fats, carbohydrates, vitamins, minerals, water and fibre, and gives you enough energy.
Organ or part of the body that responds to a particular hormone.
Special protein on the surface of pathogenic cells. Bind matching antibodies during the immune response.
After you have made antibodies to a pathogen, you are able to fight off the pathogen in future without getting ill.
Medical procedure that involves injecting dead or inactive pathogens into a patient to stimulate the body to create antibodies.
The scientist who came up with the theory of evolution through natural selection.
Structure inside an organism that makes a useful substance, often a hormone.
Cell specialised to carry electrical impulses. Nerve cells.
Hormones produced in the sex organs (ovaries and testes).
Drug that stops you feeling pain e.g. paracetamol.
Monthly cycle in adult females.
A plant hormone that causes shoots and roots to bend.
Produce a hormone in special cells of a gland.
Epidemic that sweeps across continents or the whole world.
Removing the nucleus from an unfertilised egg and replacing it with the nucleus from another cell taken from an adult organism. The new cell can develop into a new organism.
Biological catalyst made of protein. They speed up chemical reactions in living organisms.
A microorganism that can cause an infectious disease.
Fertilisation carried out outside the body, so the egg and sperm join in a glass dish to form an embryo that is injected back into the women’s uterus.
The scientist who believed in the inheritance of acquired characteristics e.g. the giraffes’ stretched neck.
Sudden outbreak of a disease that affects many people within a country.
Small organisms, seen under a microscope e.g. bacteria and viruses.
Change in the structure of a gene. This may results in a different characteristic being developed.
Fast automatic response of the body to a potentially dangerous stimulus, coordinated by the spinal cord.
How quickly all the reactions are going on in cells.
HintAnswer
Sorting organisms into groups (e.g. kingdoms) according to their characteristics.
Poison.
All the chemical reactions going on in cells.
A female sex hormone involved in maintaining the uterus lining.
Very infectious pathogen. Can only reproduce inside a host cell.
Small gap between neurones, or between a neurone and effector.
Plant growth response to a stimulus.
A female sex hormone involved in regulating the menstrual cycle.
Cell or sense organ that detects stimuli.
The survival of organisms better adapted to their environment.
Your body’s system that fights infections, involving white blood cells and antibodies.
Single-celled microorganism, 1-5 μm long. They do not have DNA enclosed inside a nucleus.
Nerves carrying information from sense organs in the body to the CNS, and from the CNS to effectors.
Special protein in the body that can bind to a particular antigen and destroy a particular pathogen.
Being very overweight.
A substance that prevents conception (getting pregnant).
Disease caused by not eating enough of a particular nutrient e.g. Scurvy from too little vitamin C.
How you feel when you have a disease e.g. headache, nausea.
Chemical, usually made by fungi or bacteria, that can be used as medicine to kill other fungi or bacteria.
Release of a mature egg from an ovary.
Change in the environment, such as a temperature change, that you respond to.
Organ such as a gland or muscle that responds to a stimulus.
The ability some bacteria develop meaning that an antibiotic will not kill them anymore.
Medicinal drugs that reduce the amount of cholesterol made by the body.
Chemical made by a gland and carried in the blood to its target organ(s).

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