AQA Biology Paper 2

AQA Biology Paper 2 Higher Combined Science Predicted Paper 2022 Name ……………………………………………… Date ……………………………………………… 1 hour 15 minutes allowed Similar to your real exam, each question in this paper gets harder towards the end of each question, so if you find you can’t do the last part of a certain question, try the next question – they all start off easier, and then get harder. Grade boundaries These are VERY rough guesses! Getting an 8 or 9 on this paper does not guarantee you the same mark in the exam • 9 55 • 8 45 • 7 35 • 6 25 • 5 15 The information from the exam board gives us a board overview of what is covered in the exam. If a topic is not listed as a ‘major focus’ it can still come up in a question but that question might not be worth many marks. There are questions in this paper that cover topics that are not a ‘major focus’ for the exam but don’t let that worry you! Exam Analysis Question Marks available Marks gained Topic Advanced information for 2022 What do you need to do to improve? 1 33 Crop growth Organisation of an ecosystem and Required Practical Activity 2 13 Blood glucose Hormonal control in humans 3 4 Hormonal control in humans Hormonal control in humans 4 13 IVF Hormonal control in humans 5 7 Food Biodiversity and the effect of human interaction on an ecosystem and Organisation of an ecosystem Total 70 Question 1 a) State the source of all biomass on earth. (1 mark) …………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………… b) The yield of a crop depends on a number of factors. List 2 biotic and 2 abiotic factors that could affect the yield of a crop. (4 marks) …………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………… c) To determine the number of plants on a field a farmer will use a quadrat and random sampling. i. Suggest why a farmer will use sampling rather than trying to getting an accurate number. (2 marks) …………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………… ii. Explain the need for random sampling. (2 marks) …………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………… ………………………………………………