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6. What is evolution?

  • Changing naturally over a period of time
  • Increased level of greenhouse gases
  • Protection against infection
  • A relationship between organisms

7. What is the effect of Ectasy?

  • Increases blood pressure and heart rate
  • Blindness
  • Tiredness
  • Deafness

8. What is variation?

  • The fertilisation of an egg by a sperm
  • The differences between individuals or the same species
  • The difference between organisms
  • The difference between genes

9. What can the alcohol intake lead to?

  • An upset stomache
  • Pain in the lower leg
  • Dehydration
  • Headache

10. What is an enzyme?

  • A species that has died out
  • A genetic disorder
  • A protein molecule and biologicl catalyst found in living organisms that helps chemical reactions to take place
  • A liquid that changes into a gas by heating

11. What is the increased long term risk of Ectasy?

  • The increased chance of a heart attack
  • Increased risk of a stroke
  • High blood pressure
  • Loss of vision

12. What is transpiration?

  • Transportation of blood to the heart
  • The genetic makeup of a an organism
  • The evaporation of water from plants
  • A pair of identical alleles

13. What is the nervous system?

  • The process by which many useful products are made
  • The brain and spinal cord allows an organism to react to its surroundings and coordinates its responses
  • Components of the environment
  • The nucleus

14. What is the definition of an organ?

  • Produces energy from food
  • Made of tissues
  • The fertilisation of an egg by a sperm
  • A blood vessel

15. What does cannabis reduce whilst nicotine increases?

  • Headaches
  • Concentrated urine
  • Blood pressure
  • Heart rate

16. What is a placebo?

  • A disease causing microorganism
  • A non-effective dummy pill or treatment
  • A drug injected into the skin
  • A muscular organism

17. What is DNA?

  • The fusion of a male gamete with a female gamete
  • The nucleic acid molecules that make up chromosomes and carry genetic information
  • A blood vessel that connects arteries to veins
  • The increase of global temperature

18. What is homeostasis?

  • A substance that releases energy when burned in the presence of oxygen
  • The maintanence of constant internal conditions in the body
  • A genetic test
  • A gas in the Earth's atmosphere

19. How does Ectasy make you feel?

  • Makes you feel terrified
  • Makes you feel euphoric
  • Makes you feel upset
  • Makes you feel unconcious

20. What are the two types of respiration?

  • Aerobic and Anaerobic
  • Glucose and Oxygen