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2020 HSC BIOLOGY EXAM with complete verified solutions already graded A+. $15.99
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Exam (elaborations)

2020 HSC BIOLOGY EXAM with complete verified solutions already graded A+.

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  • Course
  • HSC 202
  • Institution
  • HSC 202

2020 HSC BIOLOGY EXAM with complete verified solutions already graded A+.

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  • January 8, 2025
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • HSC 202
  • HSC 202
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BRAINBOOSTERS
2020 HSC BIOLOGY EXAM with
complete verified solutions
already graded A+
In maintaining homeostasis, which of the following is a behavioural
adaptation? - answer Curling up in a ball to keep warm


Sexual reproduction in plants involves - answer fertilisation as a
result of fusion of male and female gametes


Name the four events occur during reproduction in a placental
mammal. - answer Ovulation, Fertilisation, Implantation, Placental
formation


Quarantine is ineffective as a measure to control non-infectious
diseases because they ... - answer may be inherited and affect the
organism all their life


What is the purpose of cloning in agriculture? - answer Preserving
favourable traits in the offspring


Outline THREE strategies that could prevent the spread of cholera.
(3 mark) - answer Washing hands after going to the toilet removes
bacteria from the skin. The purification of drinking water will kill the
bacteria present in the water. Proper disposal of sewage would stop
the exposure of people to the bacteria.


Outline a benefit and a limitation of using pharmaceuticals such as
antibiotics to treat infectious disease. (3 mark) - answer Antibiotics
can be used to treat bacterial infections as they can inhibit bacterial

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