The HSC Biology 2022 exam was reasonably difficult. If you are looking to read the full exam check it out:
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Previous Biology exams: Past exams
For HSC Biology 2022
1. B – shivering and goosebumps would be to warm the body up, we are looking to return the body temperature to 37
2. C – biochemical reactions are required to break down the fat
3. A – antibodies are generated by B cells to target the antigens
4. B – Data not included
5. B – catagories of disease are given
7. D –
8. B – the egg is initially denucleated so a diploid somatic nuclease can be added.
9. D – Data not included
10. B – the thing being changed on purpose
11. A – the germ theory of disease
12. A – know the structure of DNA and A pairs with T and G pairs with C
13. C –
17. B – non coding DNA is involved in gene expression
18. A – germline mutation in individual 1 or 2 leading to it being inherited by the offspring
19. D – Myopia shortens the focal length, meaning the focal point doesn’t reach the eyes retina. A convex lens will not correct the focal length, instead making it even shorter.
20. D – as it flows you want to remove the urea from the blood, however, passing the dailastate in the opposite directions prevents it from diffusing over as the blood flows
HSC Biology 2022 short answer section.
a) A Pathogen is capable of producing disease, for example SARs-CoV-2 is a pathogen which can be passed between people via inhaled respiratory droplets which contain the pathogen. This pathogen can cause covid-19 disease.
- Common mistake here would be not giving an example of a pathogen and also of the disease it causes.
b) When there are no cells these will be virus’ and protists. Secondly, when there is no nucleus present these will be protozoa and fungi. Finally, when the nucleus is absent these will be bacteria