B3 Knowledge Test

  1. Define Photoperiodism.
  2. Describe three important roles of photoperiodism in plants.
  3. Define Circadian Rhythm.
  4. Describe Louis Pasteurs work in aseptic techniques.
  5. Name three plant poisons we use as drugs.
  6. What is a pathogen?
  7. What effect does plant attack by pests have on the human food supply?
  8. Draw a bacterial growth curve and label the 4 phases.
  9. Describe Edward Jenners work on vaccines in 4 bullet points.
  10. Explain why being infected with cowpox protects against smallpox infection.
  11. Explain the process of immunisation in three bullet points.
  12. State one advantage and one disadvantage of immunisation.
  13. Describe the role of Memory Lymphocytes in the secondary immune response.
  14. Draw a diagram to show the formation of monoclonal antibodies.
  15. State three uses of monoclonal antibodies.
  16. Name three waste products of cell metabolism.
  17. What is urea formed from?
  18. Label this diagram of the urinary system:

  1. State the three treatments for kidney disease.
  2. State two disadvantages of dialysis.
  3. On this diagram of the nephron, label the glomerulus, Bowmans capsule, convoluted tubule, collecting duct, loop of Henle

  1. Now mark where the following processes take place: filtration, selective reabsorption of glucose, reabsorption of water.
  2. What does the term ultrafiltration mean?
  3. What does the term osmoregulation mean?
  4. Where is ADH released?
  5. What effect will an increase in ADH have on water content of the blood?
  6. What does negative feedback mean?
  7. Name the two main hormones in the menstrual cycle
  8. State the three phases of the menstrual cycle in order
  9. Explain what happens to the uterus lining if fertilisation occurs.
  10. High levels of which hormone inhibits LH and FSH?
  11. Which hormone triggers ovulation?
  12. Explain three adaptations of the sperm.
  13. Explain three adaptations of the ovum.
  14. Give one advantage and one disadvantage of each of the following fertility treatments:

Advantage / Disadvantage
IVF
egg donation
use of surrogates
use of hormones
  1. State the male and female genotype.
  2. Draw a genetic diagram to show the percentage of male and female offspring two parents would have.
  1. Use a genetic diagram to show how two people with normal vision could have a child with colourblindness.
  1. What is the purpose of courtship behaviour?
  2. Name and animal that mates with several partners in a breeding season. What are the advantages of this?
  3. What are the two advantages of parental care?
  4. Explain what is meant by innate behaviour and imprinting. Give an example of each.
  5. Explain the difference between operant conditioning and classical conditioning.
  6. State three ways animals communicate.
  7. Outline the work of Fossey and Goodall.
  8. Give an example where plants communicate with insects and with other plants.
  9. Define coevolution.
  10. What happened to arm length and brain size during human evolution?
  11. How are stone tools dated?
  12. What features of mtDNA makes it suitable for providing evidence for human evolution?
  13. Describe the term biotechnology.
  14. State the 6 key features of a fermenter and explain why they are needed.
  15. Describe four advantages of using microbes for food production.
  16. Describe how mycoprotein is produced in three bullet points
  17. Describe how yoghurt is produced and state three factors that can affect the rate of yoghurt production.
  18. Describe the use of the enzyme invertase and chymosin.
  19. Describe how to genetically modify a bacterium to produce insulin.
  20. If an enzyme is immobilised, what does this mean?
  21. What is meant by a 'global food security crisis'?
  22. Describe what an integrated pest management system is.
  23. If a plant is produced by conventional methods, describe what his means.
  24. State two advantages and two disadvantages of the use of biofuels over fossil fuels.
  25. Explain how Agrobacterium tumefaciens is used as a vector in creating transgenic plants.
  26. State two advantages of GM for insect resistance in crop plants
  27. What are the advantages of GM tomato plants to increase the amount of flavonoids.