Cambridge & Pearson Edexcel Past Paper Questions
Browse 35,704 questions from Cambridge O-Level & A-Level and Pearson Edexcel IGCSE & IAL exams. Click any question to practice.
Which statement about diets is correct?
The diagram shows part of the human alimentary canal and associated organs. Which row describes the functions of parts shown in the diagram? [Figur...
What is not an example of assimilation?
Which feature of a root hair cell helps it take up ions from water in the soil?
Which row describes the functions of the blood components?
The diagram shows a section through the human heart. What will be the state of the valves when the walls of chambers X and Y are contracting? [Figu...
The diagram represents the blood supply to the liver and to the kidneys. Which vessels contain blood with the highest and lowest concentrations of ...
What is not a feature of aerobic respiration?
In an investigation, scientists treated plant roots with a chemical that stops aerobic respiration. They observed that after the treatment the plan...
Why does oxygen enter the blood in the lungs?
The diagram shows structures in a human which form and store urine. Liquids pass through tubes X, Y and Z in the directions shown by the arrows. Wh...
The diagram shows the homeostatic control of body temperature. What are corrective mechanisms P and Q and coordinator R? [Figure 9.1]
The diagram shows a section through the brain. Which part of the brain secretes hormones? [Figure 9.2]
Which changes occur in the eye when viewing a distant object? 1 The ciliary muscles contract. 2 The ciliary muscles relax. 3 The suspensory ligamen...
The diagram shows three positions, X, Y and Z, where nerve impulses are blocked by a drug. Which person listed below moves their leg in response to...
Which pair of bones form a hinge joint in the forelimb?
What are the effects of drinking a large quantity of alcohol on the human body?
Bacteria are involved in the manufacture of which product?
These processes occur in living organisms in a food chain. 1 excretion 2 photosynthesis 3 respiration Which processes would result in a loss of ene...
Which statements are correct? 1 Energy cannot be recycled in food webs. 2 Producers make their own organic nutrients. 3 The Sun is the principal so...
The diagram shows the movement of carbon in the carbon cycle, in gigatonnes per year. How many gigatonnes of carbon are moved by respiration each y...
What are the roles of the female mosquito and the malarial pathogen in the spread of malaria?
Which human activity will make the greatest contribution to global warming?
The diagram shows two onion plants. Using the information in the diagram, which statement about these onion plants is correct? [Figure 13.1]
Six bean seeds were soaked in cold water. Three of them were boiled and cooled. The boiled and the non-boiled seeds were chopped up and then placed...
The diagram shows how the blood of a human fetus flows close to the mother's blood in the placenta. Which substances are present at X in higher con...
Why will antibiotics not cure a person with HIV infection?
Chromosomes, DNA molecules and genes are pieces of inherited material with different sizes. Which statement describes the relationship between thes...
Earlobes can either be attached to the cheek or be ‘free’ (unattached). This characteristic is controlled by a single gene. The allele for attached...
Which feature of a cereal crop cannot be improved by selective breeding alone?
Which row is correct? cell tissue organ organ system
The following statements refer to the movement of substances into and out of cells. 1 Energy from respiration is required. 2 Energy from respiratio...
Which word describes an enzyme that has its active site changed by high temperature?
Hydrogencarbonate indicator changes colour according to the concentration of carbon dioxide present. The table shows how hydrogencarbonate indicato...
A lack of certain mineral ions affects the growth of young plants. Which effects are caused by a lack of magnesium ions and a lack of nitrate ions?...
The graph shows some of the nutrients found in peanuts. [Figure 8.1] A student tested peanuts with four food tests. Which row shows the results?
Which row shows factors that may contribute to famine? climate change causing drought destruction of tropical forest flooding increased human popul...
The diagram shows part of the human alimentary canal and associated organs. [Figure 10.1] Which row describes the functions of parts shown in the d...
How does water enter root hair cells?
Which row describes the functions of the blood components? plasma platelets white blood cells
The diagram shows how the volume of blood in the left ventricle of a human heart changes during one heart beat. When is the left ventricle contract...
The diagram represents the blood supply to the liver and to the kidneys. [Figure 15.1] Which vessels contain blood with the highest and lowest conc...
Which statement is true for aerobic respiration?
The graph shows the concentration of substance X in a person's blood, before, during and after exercise. [Figure 17.1] What is substance X?
During exercise, a person breathes more deeply and more frequently. Which is a result of this?
Which response will happen if a person walks into a cold environment?
The diagram shows the human brain. [Figure 21.1] What is the name of the shaded part of the brain?
What happens in the eye to produce the pupil reflex to bright light? 1 ciliary muscle contraction 2 circular muscle contraction 3 radial muscle rel...
The diagram shows three positions, X, Y and Z, where nerve impulses are blocked by a drug. [Figure 23.1] Which person listed below moves their leg ...
The diagram shows how antagonistic muscles are arranged in the arm. [Figure 24.1] Which row describes the muscle action when the arm is straightened?