Biology > AQA A/As Level Question Paper > GCSE BIOLOGY Foundation Tier Paper 1F predicted paper 2023 (All)
GCSE BIOLOGY Foundation Tier Paper 1F F 2 *02* IB/M/Jun22/8461/1F Do not write outside the Answer all questions in the spaces provided. box 0 1 HIV (Human Immunodeficiency Virus) is a path... ogen. 0 1 . 1 How is HIV spread from one person to another person? [1 mark] Tick () one box. Coughing Sexual intercourse Touching door handles Table 1 shows information about new cases of HIV diagnosed in the UK. Table 1 Year Number of new HIV cases 2010 2642 2014 2767 2018 1530 0 1 . 2 Describe what happened to the number of new cases of HIV from 2010 to 2018. [2 marks] 3 *03* Turn over ► IB/M/Jun22/8461/1F Do not write outside the box 0 1 . 3 What could cause a decrease in the number of new HIV cases in the future? [1 mark] Tick () one box. A higher population of people in the UK A lower number of trained HIV nurses Better education on how to prevent the spread of HIV 0 1 . 4 Scientists have been working to produce a vaccine for HIV for many years. How could a vaccine work to prevent a person being infected with HIV? Write the stages A, B, C, D and E in the correct order. [3 marks] The first stage has been completed for you. A Antibodies attach to the inactive virus. B Antibodies destroy the inactive virus. C An inactive form of the virus is injected into the body. D If the active virus enters the body, antibodies are produced quickly. E White blood cells produce antibodies to the inactive virus. Question 1 continues on the next page 4 *04* IB/M/Jun22/8461/1F Do not write outside the box 0 1 . 5 When scientists produce a vaccine for a disease the vaccine is tested on live animals. What is the next stage in testing the vaccine? [1 mark] Tick () one box. Testing on cells in a laboratory Testing on healthy volunteers Testing on the whole human population 0 1 . 6 A vaccine for HIV is important because it is difficult to develop safe drugs to destroy viruses. Why is it difficult to develop safe drugs to destroy viruses? [1 mark] Tick () one box. Drugs that destroy viruses also damage body tissues. There are too many viruses for the drugs to destroy. Viruses are too big for the drugs to destroy. 5 *05* Turn over ► IB/M/Jun22/8461/1F Do not write outside the box 0 1 . 7 Some drugs originated from plants. Draw one line from each drug to the plant the drug originated from. [2 marks] Drug Plant the drug originated from Aspirin Digitalis Foxglove Rose Tobacco Willow Turn over for the next question 11 6 *06* IB/M/Jun22/8461/1F Do not write outside the box 0 2 Figure 1 shows animal cells. Some of the cells are dividing by mitosis for growth and repair. Figure 1 0 2 . 1 What fraction of the cells in Figure 1 is dividing by mitosis? [1 mark] Tick () one box. 1 8 1 4 1 2 3 [Show More]
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