1. GCSE Science Revision Quizzes
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2. When deprived of certain harmful drugs, a person may suffer from:
diabetes
a heart attack
addiction
withdrawal symptoms

3. d) withdrawal symptoms

4. 2. At which stage in the development of a new drug would it first be tested to find out whether it was toxic?
during review and approval
during phase 2 clinical trials
during phase 3 clinical trials
during laboratory testing

5. d) during laboratory testing

6. 3. The organ which produces oestrogen is the:
ovary
pituitary gland
placenta
pancreas

7. a) ovary

8. 4. Which is the correct order of events in a reflex action?
effector – sensory – relay – motor – receptor
receptor – sensory – relay – motor – effector
receptor – sensory – motor – relay – effector
sensory – receptor – relay – motor – effector

9. b) receptor – sensory – relay – motor – effector

10. 5. IVF treatment:
always results in just one baby being produced
does not involve the use of sperm
always involves fertilisation outside the body
does not use FSH hormone

11. c) always involves fertilisation outside the body

12. 6. Cilia are affected by smoking because:
hot smoke burns the cilia
tar in the tobacco stops the cilia moving
enzymes in the tar digest the cilia
nicotine stimulates the cilia to beat too quickly

13. b) tar in the tobacco stops the cilia moving

14. 7. The largest organ of the body creates a physical barrier against infection and is called the:
liver
lung
skin
skull

15. c) skin

16. 8. People who cannot make insulin are:
epileptic
glycaemic
anaemic
diabetic

17. d) diabetic

18. 9. Human insulin is made in large quantities by using genetically modified:
cows
viruses
bacteria
human pancreas cells

19. c) bacteria

20. 10. The problem with using heroin for pain relief of patients is:
it can lead to liver damage
it can lead to kidney failure
it is a recreational drug
patients may develop tolerance to it

21. d) patients may develop tolerance to it

22. 11. Oestrogen helps as a contraceptive because it:
thickens the uterus lining
causes the uterus lining to break down
inhibits FSH release
stimulates FSH release

23. c) inhibits FSH release

24. 12. Which is least likely to affect the glucose levels of a diabetic?
an injection of insulin
an injection of glucagon
a high carbohydrate meal
a high protein meal

25. d) a high protein meal

26. 13. How can LH and FSH hormones be used in medicine?
treating infertility in men
treating infertility in women
treating infertility in both men and women
stimulating the embryo to develop in the uterus

27. b) treating infertility in women

28. 14. The gap between two neurones is called:
an axon
a relay
a synapse
a dendron

29. c) a synapse

30. 15. The letters IVF stand for:
in vivo fertilisation
in vitro fertilisation
in vogue fertilisation
intravenous fertilisation

31. b) in vitro fertilisation

32. 16. The brain contains:
relay neurones only
relay and sensory neurones only
sensory, motor and relay neurones
sensory and motor neurones only

33. c) sensory, motor and relay neurones

34. 17. Neurones communicate with each other across synapses by:
electrical impulses
vibrations
osmosis
diffusion of chemical transmitters

35. d) diffusion of chemical transmitters

36. 18. A side effect of both steroids and cannabis is:
an increase in muscle mass
mood changes
a decrease in reaction time
an increased metabolic rate

37. b) mood changes

38. 19. FSH is released from:
the ovaries
the placenta
the pituitary gland
the thyroid gland

39. c) the pituitary gland

40. 20. Insulin is produced in the:
liver
pancreas
small intestine
brain

41. b) pancreas