AQA Knowledge test Unit 1 Biology

B1.1 Keeping healthy

B1.1.1 Diet and exercise

  1. Complete the table to describe the uses of groups:

Nutrient group / Needed for
Carbohydrate
Fats
Proteins
Vitamins and Minerals
  1. What is meant by the term “malnourished”?
  2. What are some of the effects of not having a balanced diet?
  3. What happens to a persons if the energy in is not balanced with the energy out?
  4. What is metabolic rate and what affects it?
  5. Give an example of an inherited factor that can affect our health?
  6. What is cholesterol?
  7. Describe the differences between good and bad cholesterol.

B1.1.2 How Our Bodies Defend Themselves Against Infections Diseases

  1. What is a pathogen?
  2. How do bacteria and viruses make us feel ill?
  3. How do white blood cells help to defend against pathogens?
  4. How does immunity develop?
  5. What impact did Semmelweiss’ research have?
  6. How are painkillers useful?
  7. What are antibiotics are what can they be used for?
  8. What is one of the impacts of the overuse of antibiotics?
  9. Why is it so difficult to treat viral infections?
  10. HT-Only. How do individual pathogens develop resistance?
  11. Describe the action vaccinations on the body?
  12. What does the MMR vaccine protect people against?
  13. Why must petri dishes be sterilised before use?
  14. When using inoculating loops to transfer bacteria what must be done to avoid contamination?
  15. Why must petri dishes be taped shut?
  16. What is the maximum temperature that cultures can be incubated to in a school?
  17. Why is this?

B1.2 Nerves and Hormones

1.2.1 The Nervous System

  1. What is the nervous system needed for?
  2. What is a receptor for?
  3. Complete the following table, indentifying the stimuli for each detector:

Receptor / Stimuli
Eyes
Ears
Skin
Tongue
Nose
  1. What is a neurone?
  2. Complete the table:

Neurone / Function
Sensory
Relay
Motor
  1. Describe what happens in a reflex arc.
  2. Label the parts:

A

B

C

D

E

  1. How does the nervous system transmit information in the body?

B1.2.2 Control in the Human Body

  1. What is a hormone?
  2. What do hormones control?
  3. Where do hormones have an effect?
  4. State 3 places in the body where hormones are produced.
  5. How do hormones travel around the body?
  6. What is a gland?

Factor controlled by homeostasis / Description
Water content
Ion content
Temperature
Blood glucose levels
  1. Describe how a person can conserve water in a survival situation.
  2. What is the menstrual cycle?
  3. How long does the menstrual cycle last?
  4. At what day in the month of the menstrual cycle is the egg released?
  5. What is the role of follicle stimulating hormone (FSH)? Where is it produced?
  6. What is the role of luteinising hormone (LH)? Where is it produced?
  7. What is the role of oestrogen? Where is it produced?
  8. If an egg is not fertilised what happens?
  9. How do contraceptives use hormones to control fertility?
  10. Which hormones will be included in “fertility drugs”?
  11. What happens during in vitro fertilisation (IVF)?

B1.2.3 Control in Plants

  1. Describe the direction that shoots grow in, relating to the things that they are sensitive to.
  2. Describe the direction that roots grow in, relating to the things that they are sensitive to.
  3. What is the name of the hormone in plants?
  4. What is phototropism?
  5. Describe how auxin controls phototropism.
  6. What is geotropism?
  7. Describe how auxin controls geotropism.
  8. What do negative and positive tropisms mean?
  9. How can plant growth hormones be used in agriculture?

B1.3 The Use and Abuse of Drugs

B1.3.1 Drugs

  1. What are beneficial drugs? Give examples.
  2. Describe what a good medicine is.
  3. What is a placebo?
  4. What is a double blind trail?
  5. What are recreational drugs? Give examples.
  6. Describe the difference between legal and illegal drugs.
  7. What are statins used for?
  8. Why can cannabis be harmful?
  9. Why do people use cannabis?
  10. What is Thalidomide?
  11. What was thalidomide banned?
  12. What impact can the misuse of drugs have on the body?
  13. Why is the overall impact of legal drugs much greater than illegal drugs?
  14. What is addiction?
  15. What is withdrawal?
  16. Athletes are banned from using drugs to enhance their performance. What are the impacts of the Anabolic Steroids.

B1.4 Interdependence and Adaptation

B1.4.1 Adaptations

  1. What do plants compete for?
  2. What do animals compete for?
  3. What is an adaptation?
  4. What is an extremophile?
  5. What adaptations may an organism have to allow it to survive in artic conditions?
  6. What adaptations may an organism have to survive in dry environments?
  7. Why is camouflage important?

B1.4.2 Environmental Change

  1. Give some examples of non-living changes in an environment
  2. Give some examples of living changes in an environment
  3. Describe how lichens can be used as air pollution indicators
  4. Describe how invertebrate animals can be used as water pollution indicators
  5. Give examples of non-living indicators that demonstrate environmental changes
  6. Why are bees important?

B1.5 Energy and Biomass in Food Chains

B1.5.1 Energy in Biomass

  1. What process do plants use to collect energy from the sun?
  2. What are producers?
  3. What are consumers?
  4. What is biomass?
  5. Why is the amount of energy contained in the biomass of organisms reduced at each stage of the food chain?
  6. What does a pyramid of numbers show?
  7. What does a pyramid of biomass show?

B1.6 Waste Materials from Plants and Animals

B1.6.1 Decay Processes

  1. Why do materials decay?
  2. What conditions cause decay to occur fastest?
  3. What are the main two types of decomposers?
  4. Why is the decay process important?
  5. What are the main waste products of decay?

B1.6.2 The Carbon Cycle

Carbon dioxide is removed from the environment by green plants by

…………1………. The carbon from carbon dioxide is used to make ……2……, ………3……….. and ……………4…….. to make up the body of plants. Plants release carbon dioxide to the atmosphere by …………5………. Plants are eaten by animals, animals are eaten by other animals.

Animals release carbon dioxide to the atmosphere by ………6…………………

When plants and animals die some animals and ……………7…………. feed on their bodies. These organisms release carbon to the air when they ……8………

Carbon dioxide is released to the atmosphere from wood and fossil fuels by …………………9…………..

  1. What is the process shown by:

A

B

C

B1.7 Genetic Variation and Control

B1.7.1 Why Organisms are Different

  1. Where in a cell do we find genetic information?
  2. What is a chromosome?
  3. What is a gene?
  4. What is a gamete?
  5. What is genetic variation? Give examples.
  6. What is environmental variation? Give an example.
  7. Give examples of variations that can be both.
  8. How many chromosomes do humans have?

B1.7.2 Reproduction

  1. What is sexual reproduction?
  2. What is asexual reproduction?
  3. Describe the following cloning techniques:

Tissue culture

Embryo Transplant

Adult Cell Cloning

B1.8 Evolution

  1. What is the name of the theory of evolution proposed by Charles Darwin?
  2. Why did people object to Darwin’s theory?
  3. How did Lamarck’s theory differ from Darwin’s?
  4. Why is it important to study the similarities and differences between living organisms?
  5. Describe the process of natural selection.
  6. What does an evolutionary tree show?
  7. What is a species?
  8. What is classification?

PiXLAQA Knowledge Test Unit 1 Biology 1: B1.1 Keeping Healthy GCSE Science A for certification June 2014 onwards