aqa REVISIOn

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AQA GCSE Revision Topics

B1a Human Biology MULTIPLE CHOICE QUESTION PAPER

B1a. 1. Co-ordination and control
p24
Responding to change

Nervous system - neurones
Hormones – glands
Notes
understand
p26
Reflex action
Reflex arc pathway
synapse

p28
Menstrual cycle
FSH, oestrogen, LH, ovulation

p30
Artificial control of fertility
Contraceptive pill
IVF treatment

p32
Controlling conditions
Water & ions – kidneys
Temperature
Blood glucose – insulin

p34
Controlling fertility

Attempt Questions

B1a. 2. Healthy eating
p38
Diet and exercise

Components of balance diet
Energy requirements
Metabolic rate
Notes
understand
p40
Weight problems
BMI
Obesity – healthy problems
Losing weight
Starvation

p42
Fast food
Cholesterol
LDLs, HDLs,
Fats – un/saturated
Salt

p44
Health issues
Statins

Attempt Questions

B1a. 3. Drug abuse
p48
Drugs

Addiction
Withdrawal
Notes
understand
p50
Legal and illegal drugs
Affect of drugs
Why people use drugs
Drugs in sport

p52
Alcohol
Affect on body & society
Binge drinking

p54
Smoking and health
Related diseases
Problems in pregnancy

p56
Lung cancer and smoking
Timeline of evidence

p58
Cannabis leads to hard drugs?

Attempt Questions

B1a. 4. Controlling infectious disease
p62
Pathogen

Bacteria & Viruses
Ignaz Semmelweiss
Notes
understand
p64
Defence mechanism
Spread of infectious diseases
How microbes enter body
White blood cells

p66
Using drugs to treat disease
Antibiotics
Flemming – penicillin

p68
Changing pathogens
Antibiotic resistance bacteria
MRSA
Mutation & pandemics

p70
Developing new medicines
Testing drugs
Thalidomide

p72
Immunity
Vaccination

p74
How should we deal with disease ?
MMR dilemma
Pasteur, Wortley Montagu, Jenner

Attempt Questions

B1b Evolution and environmentMULTIPLE CHOICE QUESTION PAPER

B1b. 5. Adaptation for survival
p82
Adaptation in animals

Surface area to volume ration
Notes
understand
p84
Adaptation in plants
Transpiration stream, stomata

p86
Competition in animals
Compete for water, territory, mates

p88
Competition in plants
Why & how they compete
Spreading seeds

p90
How do you survive
Examples of adaptation

Attempt Questions

B1b. 6. Variation
p94
Inheritance

Genes & chromosomes,
DNA – Watson & Crick
Notes
understand
p96
Types of reproduction
Asexual & sexual reproduction
Importance of variation

p98
Cloning
Cuttings
Tissue cloning
Embryo cloning

p100
New ways of cloning animals
Dolly the sheep

p102
Genetic engineering
How to transfer genes between organisms

p104
Making choices about technology

Attempt Questions

B1b. 7. Evolution
p108
The origins of life on Earth

Fossils
Evolution of horse
Notes
understand
p110
Theories of evolution
Lamarck – inheritance of acquired characteristics
Darwin – finches - natural selection

p112
Natural selection
Survival of the fittest
Mutations
Malpeque disease

p114
Extinction
Causes – environmental change, new predator, new disease, new competition

p116
Evolution
Science vs religion

Attempt Questions

B1b. 8 How people affect the planet
p120
Population explosion

Effect on land and resources
Pollution
Notes
understand
p122
Acid rain
How it is formed (gases involved)
Effects

p124
Global warming
Gases involved
Greenhouse effect
Deforestation, cows, rice

p126
Sustainable development
Conserving resources

p128
Panning for the future
Brown / green field sites
SSSI

p130
Environmental issues

Attempt Questions

B2 Additional biologySHORT ANSWER QUESTIONS

B2. 1. Cells
p138
Animal and plant cells

Structure and function
Notes...
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