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B1 Revision Booklet
B1.1 Keeping HealthyB1.1.1 Diet and ExerciseComplete the table to describe the uses of groups:Food Group
Uses Examples
Carbohydrate
Fats
Proteins
Vitamins and Minerals
What is meant by the term “malnourished”?.....................................................................................................
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What are some of the effects of not having a balanced diet?.....................................................................................................
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How is energy content related to body mass?
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What is metabolic rate and what affects it?
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Give an example of an inherited factor that can affect our
health?
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B1.1.2 How Our Bodies Defend Themselves Against Infections
Diseases
What is a pathogen?
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How do bacteria and viruses make us feel ill?
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How do white blood cells help to defend about pathogens?
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What does a phagocyte do?
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What do lymphocytes do?
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How does immunity develop?
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What impact did Semmelweiss’ research have?
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How are painkillers useful?
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What are antibiotics are what can they be used for?
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What is one of the impacts of the overuse of antibiotics?
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Why is it so difficult to treat viral infections?
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HT-Only. How do individual pathogens develop
resistance?
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Describe the action vaccinations on the body?
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What does the MMR vaccine protect people against?
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Why must petri dishes be sterilised before use?
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When using inoculating loops to transfer bacteria what must be
done to avoid
contamination? ............................................................................
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Why must petri dishes be taped shut?
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What is the maximum temperature that cultures can be
incubated to in a school?.......................................
Why is this?
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Why would higher temperatures be used in industrial
situations?
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1.2 Nerves and Hormones
1.2.1 The Nervous System
What is the nervous system needed for?
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What is a receptor
for? ..............................................................................................
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Complete the following table, indentifying the stimuli for each
detector:
Receptor Stimuli
Eyes
Ears
Skin
Tongue
Nose
Draw and label a diagram of a light receptor cell:
What is a neurone?
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What three neurones are involved in a reflect action?
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Complete the table:
Neurone Function
Sensory
Relay
Motor
Receptor
Effector
Synapse
Describe what happens in a reflex arc:
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B1.2.2 Control in the Human Body
Water leaves the body via the …………… when ……………………,
via the …………. when and via ………………. when…………………
Ions are lost from the body via the…………………. when
…………………… and via ………………. when………………….
Why do we need to maintain a constant body temperature?
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What is a hormone?
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Where are hormones produced?
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How do hormones travel around the
body? ..........................................................................................
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What is a gland?
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Which glands control the menstrual cycle?
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What is the role of follicle stimulating hormone (FSH)?
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What is the role of luteinising hormone (LH)?
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What is the role of oestrogen?
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What impact do the hormones in oral contraceptives have on
the hormones in the body?
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How have birth control pills changed over time and why?
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Which hormones will be included in “fertility drugs”?
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What happens during in vitro fertilisation (IVF)?
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B1.2.3 Control in Plants
List three things that plants are sensitive to:
1) ……………………………………..
2) ……………………………………..
3) ……………………………………..
Describe the direction that shoots grow in, relating to the
things that they are sensitive to.
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Describe the direction that roots grow in, relating to the things
that they are sensitive to.
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What is the name of the hormone in plants?
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What is phototropism?
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Use diagrams to show how auxin controls phototropism.
What is geotropism?
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Use diagrams to show how auxin controls geotropism.
How can plant growth hormones be used in agriculture?
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B1.3 The Use and Abuse of Drugs
B1.3.1 Drugs
What occurs during pre-clinical drug trials?
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Describe the three phases of clinical trials that drugs go
through
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What are statins used for?
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What is Thalidomide?
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What impact can the misuse of drugs have on the
body? ..........................................................................................
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Why is the overall impact of legal drugs much greater than
illegal drugs?
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What is addiction?
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What is withdrawal?
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Athletes are banned from using drugs to enhance their
performance. What are the impacts of the following:
Stimulants
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Anabolic Steroids
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B1.4 Interdependence and Adaptation
B1.4.1 Adaptations
What do plants compete for?
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What do animals compete for?
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What is an adaptation?
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What is an extremophile?
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What adaptations may an organism have to allow it to survive
in dry artic conditions?
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What adaptations may an organism have to survive in dry
environments?
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B1.4.2 Environmental Change
Give some examples of non-living changes in an environment
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Give some examples of living changes in an environment
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Describe how lichens can be used as air pollution indicators
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Describe how invertebrate animals can be used as water
pollution indicators
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Give examples of non-living indicators that demonstrate
environmental changes
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B1.5 Energy and Biomass in Food Chains
B1.5.1 Energy in Biomass
What process do plants use to collect energy from the sun?
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What is biomass?
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How is biomass created?
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Why is the amount of energy contained in the biomass of
organisms reduced at each stage of the food chain?
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B1.6 Waste Materials from Plants and Animals
B1.6.1 Decay Processes
Why do materials decay?
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What conditions cause decay to occur fastest?
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Why is the decay process important?
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What is a “stable community”?
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B1.6.2 The Carbon Cycle
Carbon dioxide is removed from the environment by green
plants by
…………………. The carbon from carbon dioxide is used to make
…………, ……………….. and ………………….. to make up the
body of plants. Plants release carbon dioxide to the atmosphere
by …………………. Plants are eaten by animals, animals are
eaten by other animals, what happens to the carbon?
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Animals release carbon dioxide to the atmosphere by
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When plants and animals die some animals and
………………………. feed on their bodies. These organisms
release carbon to the air when they ……………
Carbon dioxide is released to the atmosphere from wood and
fossil fuels by ……………………………..
Draw and label a diagram of the carbon cycle
B1.7 Genetic Variation and Control
B1.7.1 Why Organisms are Different
What is a gene?
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What is a gamete?
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What is a genetic cause of variation?
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is an environmental cause of variation?
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B1.7.2 Reproduction
What is sexual reproduction?
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What is asexual reproduction?
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What is a “cutting”?
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Describe the following cloning techniques:
Tissue culture
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Embryo Transplant
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Adult Cell Cloning
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What is genetic engineering?
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What is meant by the term “genetically modified” (GM)?
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Give examples of GM crops
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What are the concerns associated with GM crops?
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B1.8 Evolution
What is the name of the theory of evolution proposed by
Charles Darwin?
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Why was Darwin’s theory only gradually excepted?
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How did Lamarck’s theory differ from Darwin’s?
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Why is it important to study the similarities and differences
between living organisms?
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Describe the process of natural selection
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