Cambridge & Pearson Edexcel Past Paper Questions

The diagram shows the female reproductive system. [Figure 36.1]. In which parts are the eggs and the zygote formed?

Natural selection plays a role in evolution. What describes features of natural selection that can affect evolution?

In guinea-pigs, the allele for black fur (B) is dominant to the allele for brown fur (b). A breeder can sell a brown guinea-pig for more money than...

The inheritance of the ABO blood groups in humans is controlled by three alleles (Iᴬ, Iᴮ and I⁰), only two of which can be present in one individua...

Starting with the smallest, and ending with the largest, what is the correct sequence of these parts of an organism?

Which movement of a substance in plants is an energy-consuming process?

The diagram shows the movement of water through part of a leaf. [Figure 3.1] Which processes are involved in the movement of water at these stages?

Which substance is an enzyme?

What is the effect on plants of a lack of magnesium ions?

Which process happens in the duodenum?

The diagram shows the human alimentary canal. [Figure 9.1] Where do egestion and ingestion occur?

The bar chart shows the recommended daily food intake of four people: • an 80 year-old retired man • a male manual worker • a 6 year-old child • a ...

The photomicrograph shows part of a section through a root. [Figure 12.1] The contents of Y are tested with Benedict's solution and with iodine sol...

The diagram shows a section through the heart. [Figure 13.1] Which two numbered parts contain oxygenated blood?

Which blood vessels contain valves?

During which activity is anaerobic respiration most likely to occur?

Which structure is lined with cilia?

The diagram shows the human kidneys and their associated structures. [Figure 19.1] What is the structure labelled X?

Where are receptors found?

The diagram shows a section through the human brain. [Figure 23.1] Which part senses and reacts to a change in blood temperature?

The diagram shows the bones of the human forearm. [Figure 24.1] What are the bones X and Y?

When a mother smokes during pregnancy, the oxygen supply to the fetus is reduced. Which row shows how components of tobacco smoke cause this?

The diagram shows some apparatus set up to produce alcohol by fermentation. [Figure 26.1] What is the purpose of the oil layer?

The diagram shows the equipment used in the industrial production of penicillin. [Figure 27.1] What is the purpose of the structure labelled X?

The diagram shows a food chain. [Figure 28.1] Which group of organisms is missing from this food chain?

The diagram shows parts of the nitrogen cycle. [Figure 30.1] Which arrow represents the action of the root nodule bacteria of leguminous plants?

Which pollutants may be released by agricultural practices?

The diagram shows a section of a seed. [Figure 33.1] What are the numbered parts?

Which statements about meiosis are correct?

The spread of HIV has been reduced in many countries. Which action has assisted this reduction?

The diagram shows the female reproductive system. [Figure 36.1] In which parts are the eggs and the zygote formed?

What describes features of natural selection?

A farmer uses sperm from a black male sheep to artificially inseminate (fertilise) 20 light brown female sheep. All of the offspring produced were ...

The inheritance of the ABO blood groups in humans is controlled by three alleles (IA, IB and Iº), only two of which can be present in one individua...

The diagram shows the pathway taken by a hormone from cell A where it is produced to cell C that it affects. [Figure 1.1]

Name a substance in a healthy diet, a lack of which leads to soft bones in a child.

The photograph shows an insect called a leafhopper. When it feeds, its mouthparts penetrate the xylem of the plant on which it lives. [Figure 3.1] ...

Explain the importance of the production of carbon dioxide in bread-making.

The passage describes the nucleus of a cell with missing words replaced by the letters J, K, L and M. Read the passage, then select words from the ...

Suggest why a car driver who is driving under the influence of alcohol or heroin is more likely to have an accident than a driver who is free of th...

Describe how changes in gene structure may be caused.

List the structures within a plant leaf that do not possess chloroplasts.

Describe the similarities and differences in the functions of a motor and a sensory neurone. similarities differences

In the diagram below the boxes on the left contain the names of organs of the human body. The boxes in the middle contain the names of chemicals pr...

The pollution of air and water may result from human activity. This pollution can lead to many harmful effects on ecosystems. A knowledge of these ...

The flow chart shows steps taken in the production of yoghurt from milk. [Figure 3 (Flow chart showing steps: milk is heated to 90 °C for 15 minute...

The human double circulation has both : a circulation taking blood to and from the body tissues, and a circulation taking blood to and from the tis...

The diagram shows the human breathing system. [Figure 5 (Diagram showing the human breathing system, with structures labelled X and Y. X points to ...

The diagram shows a magnified image of the chromosomes from one skin cell of a person. [Figure 6 (Magnified image of chromosomes from a skin cell, ...

The diagram shows three fruits, P, Q and R. Each fruit was produced by a different species of plant. [Figure 7 (Diagrams of three fruits: P is spik...