1) Hepatitis can be caused by .... a) infected needles b) food c) the air 2) Food poisoning can be caused by ..... a) infected needles b) water c) undercooked eggs 3) Coffee & Tea contain ..... a) depressants b) caffeine- stimulant c) caffeine- depressant 4) What is eutrophication caused by? a) overuse of water b) overuse of fertilisers c) overuse of predators 5) Organic farmers use pesticides a) True b) False 6) Intensive farmers use fertilisers a) True b) False 7) Antibiotics can be used for .... a) viruses b) bacteria c) both of the above 8) Why would antibiotics not work? a) viral infection b) bacteria are resistant c) incorrect antibiotic d) neither of the above 9) What is a reflex action? a) automatic response b) delayed reaction c) learned behaviour 10) Dysentry is caused by ........ a) virus b) fungi c) poor hygiene d) neither of the above 11) How could you get athletes foot? a) swimming pool b) food c) contaminated water 12) Not drying between your toes can caused athletes foot a) True b) False 13) Mutualism is ....... a) one organisms benefits b) both organisms benefit c) one benefits the other is unharmed 14) Parasitism is a) one organism benefits, other unharmed b) one organism benefit and other is harmed c) both benefit 15) Tea tree contains antiviral substances a) True b) False

B1 topic 3

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