AQA Biology unit 1

Name all the food groups you should eat to have a balanced diet.

What is meant by the terms Metabolism and Metabolic rate?

What factors determine your metabolic rate?

What can eating too much lead to?

What health problems can arise as a result of obesity?

What can eating too little lead to?

What is Cholesterol?

Give examples of how Inherited factors can affect your health.

Describe the 2 main types of Pathogen.

What are vaccinations?

What can be taken if a vaccination wears off?

Give the PROS and CONS of vaccinations.

What new dangers can we face with Bacteria?

What new dangers can we face with Viruses?

Describe 3 ways the Immune system defends the body against invading microbes.

What do painkillers do?

What do antibiotics do?

How can bacteria become resistant to some antibiotics?

How do you slow down the development of resistant strains?

How can you investigate or test the action of antibiotics?

How did Ignaz Semmelweis reduce death rates from puerperal fever?

What is the Central Nervous System?

What are Neurones and give 3 examples?

What are Effectors?

List 5 sense organs and the receptors that they contain.

Give the sequence of the Reflex Arc.

What are Synapses?

Give the 4 stages of the Menstrual Cycle

What is FSH?

What is Oestrogen?

What is LH?

List 4 hormones involved in the Menstrual Cycle

What are hormones?

What are the difference between Nerves and Hormones?

How is the 'pill' used to reduce fertility?

What are the PROSand CONS of using the 'pill'?

Give the PROS and CONS of increasing fertility by injecting women with FSH and LH hormones to stimulate egg release in their ovaries.

What is IVF?

What are the PROS and CONS of using IVF?

What is Auxin?

How does auxin cause plant shoots to grow towards light?

How does auxin cause plant shoots to grow away from gravity?

How does auxin cause plant roots to grow towards gravity?

How does auxin cause plant roots to grow towards moisture?

Give 2 ways plants hormones are used in agriculture?

How is ion content controlled in the body?

Give 3 ways water is lost from the body.

Give the difference in the balance of sweat and urine in the body on a COLD day when you're NOT EXERCISING and on a HOT day when you're EXERCISING.

How is temperature kept constant in the body?

How is Blood Sugar Level controlled in the body?

What is Homeostasis?

Give 2 examples of Performance-enhancing drugs and a possible negative health effect.

Give arguments for and against using performance-enhancing drugs in sport.

What is the drug Statins?

What are some claims about Cannabis?

Describe the 3 main stages of drug testing.

Explain the unfortunate consequence using the drug Thalidomide in the 1950's caused.

Briefly describe how a double-blind drug trial works.

Describe 3 opinions about the link between cannabis and hard drug use.

Which has the bigger impact on society in the UK, legal or illegal drugs and why?

What are the medical affects of Smoking and Alcohol?

Give 4 ways desert animals have adapted.

In what 3 ways have Arctic animals adapted to reduce heat loss?

How have desert plants adapted to having little water?

Give examples of how plants and animals have adapted to deter predators.

Why do some microorganisms have a huge variety of adaptations?

What environmental properties do plants and animals need in order to survive and reproduce?

List 4 living factors that cause environmental changes.

List 3 Non-living factors that cause environmental changes.

Give 3 ways environmental changes can affect animals and plants.

Explain how lichen can be used as an indicator of air pollution.

Name an organism that can be used as an indicator of water pollution.

Give 4 examples of non-living indicators to find out about environmental change.

What does each bar on a pyramid of biomass represent?

Give 2 ways that energy is lost from a food chain.

Give 4 features of a compost bin that aid the process of decomposition?

What is meant by the term stable community?

Name 4 elements plant take in from the air and how they are returned to the environment?

Give 5 ways that carbon compounds in a food chain become carbon dioxide in the air again.

Describe the 2 types of variation.

Name 3 animal characteristics that are determined only by genes.

What animal characteristics are determined by a mixture of genes and the environment?

Give the difference the environment would have on a plant grown on a sunny windowsill compared to a plant grown in the dark.

What was Lamarck's hypothesis about evolution and why was it rejected?

What are chromosomes and how many are contained in:
1) the human cell nucleus?
2) gametes?

What is Sexual Reproduction?

What is Asexual Reproduction?

Describe 2 ways plants can be cloned.

How can you make animal clones using embryo transplants?

How can you make a clone using Adult Cell Cloning?

Give the advantages and disadvantages of cloning.

What is genetic engineering and how does it work?

Give 3 examples of useful applications of genetic engineering.

Why are people concerned about genetic modified crops?

Give the advantages of GM crops.

What is the theory of evolution?

Explain Darwin's theory of natural selection.

How can evolution occur from mutations?

Give 3 reasons why Charles Darwin's theory of evolution by natural selection was controversial.

What are alleles?