Biology > AQA A/As Level Question Paper > GCSE BIOLOGY Foundation Tier Paper 1F rating june 2022 (All)

GCSE BIOLOGY Foundation Tier Paper 1F rating june 2022

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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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