AQA GCSE

AQA GCSE Biology Higher Tier Paper 2

45 free questions · No sign-up required to browse

AQA Higher Tier Exam-style past paper with complete mark schemes, hints, AI assistance and detailed explanations.

45
Questions
Hard
Difficulty
60%
Pass mark

Difficulty breakdown

Easy(16)
Medium(12)
Hard(4)

Sample questions

Q01.1Easy1 mark

Evolution of new species occurs by mutation and natural selection.

What is a mutation?

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Q01.2Medium3 marks

Describe the process of natural selection.

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Q01.3Easy1 mark

Which scientists suggested the theory of evolution by natural selection?

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Q01.4Medium3 marks

The hoverfly and the wasp are insects with bright yellow and black markings. The wasp has a sting to defend itself against predators, but the hoverfly does not have a sting. Hoverflies and wasps live in the same habitat.

Explain how having yellow and black markings helps the hoverfly survive.

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Q02.1Medium3 marks

The image shows a section through part of a peat bog. Layer B contains the dead remains of plants, has a low pH, and contains very little oxygen.

Explain why most of the dead remains of plants in layer B do not decay.

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Q01.1Evolution of new species occurs by mutation and natural selection. What is a mutation?EasyQ01.2Describe the process of natural selection.MediumQ01.3Which scientists suggested the theory of evolution by natural selection?EasyQ01.4The hoverfly and the wasp are insects with bright yellow and black markings. The wasp has a sting to defend itself ag...MediumQ02.1The image shows a section through part of a peat bog. Layer B contains the dead remains of plants, has a low pH, and ...MediumQ02.2The peat bog is a stable community. The moss produces biomass at a rate of 340 g/m²/year. What is the approximate bio...EasyQ02.3The sundew plant has leaves with sticky hairs that trap and digest insects. Digestion of the insects releases phospha...EasyQ02.4What substance can the sundew plant make using the nitrogen?EasyQ02.5Humans have destroyed large areas of peat bog to collect peat. The peat provides fuel and provides compost for garden...MediumQ03.1Students investigated the number of tadpoles in a pond for 8 weeks using the following method: 1. Collect 10 dm³ of p...EasyQ03.5After 4 weeks many of the tadpoles had died. Suggest two reasons why the tadpoles died.EasyQ04.2What are two reasons for surrounding the seedlings with damp blotting paper? Choose two options.MediumQ04.3Apparatus B is a control. Explain why apparatus B is needed.MediumQ04.6Auxin is a plant hormone. Explain how auxin causes the results in apparatus A.MediumQ04.7Farmers can use plant hormones to control the growth of plants. Give two uses of auxin.EasyQ04.8A farmer sprayed an apple tree with gibberellin. Suggest two reasons why the farmer sprayed the apple tree with gibbe...EasyQ05.2Student B's reaction is coordinated by the nervous system. Give two ways that coordination by the endocrine system is...EasyQ05.5The adrenal gland produces the hormone adrenaline. Describe two effects of adrenaline on the human body.EasyQ05.6Hormones can be used for controlling human reproduction. Explain the use of hormones in: - contraception - the treatm...HardQ06.1Some human disorders are inherited. Polydactyly is an inherited disorder where a person has extra fingers or toes. Po...EasyQ06.4Cystic fibrosis (CF) is another inherited disorder caused by a mutation. The mutation occurs in a gene called CFTR. F...HardQ07.1A farmer has 1000 chickens. - The farmer feeds the chickens on seeds from maize plants. - 1 hectare of land produces ...HardQ07.2Another farmer produced 4200 kg of maize seeds in a field. The farmer fed the maize to 1000 chickens. At full size, t...MediumQ07.3Calculate the ratio of chicken biomass to maize seed biomass. Use data from Question 07.2. Give your answer in its si...EasyQ07.4Chickens can use 80% of the biomass from the maize seeds they eat for respiration and growth. What happens to the rem...EasyQ07.5The table compares the proportions of seven essential amino acids in normal maize and Quality Protein Maize (QPM). Wh...EasyQ07.6Table 2 shows that 1 kg of QPM contains less leucine than 1 kg of normal maize. Suggest why a diet containing less le...MediumQ08.1Conditions inside and outside of the human body often change. Homeostasis helps the human body to survive changing co...EasyQ08.2The kidneys have an important role in homeostasis. Describe what happens to glucose, protein and urea in the kidneys.MediumQ08.3Explain how ADH affects the production and concentration of urine by the kidneys.MediumQ09.1Glyphosate is a herbicide used in agriculture. Soya bean plants have been genetically modified (GM) to be resistant t...HardQ09.2Suggest two reasons why some people are concerned about the use of GM soya bean plants. Do not refer to ethical conce...Medium