Blood

What is required to produce the haemoglobin in red blood cells?

Feb/March 2017

A patient in hospital who feels unwell has a blood test. The blood test results indicate a very low platelet count. What effect is this likely to have?

Feb/March 2017

A patient in hospital who feels ill has a blood test. The blood test results show a very low platelet count. What effect would this cause?

Feb/March 2017

Which blood component contains haemoglobin?

Feb/March 2018

Fig. 2.1 shows a cross-section through a blood vessel.

Feb/March 2018

The blood of smokers has a lower oxygen carrying capacity than the blood of non-smokers. Which part of tobacco smoke is responsible for this?

Feb/March 2020

The photomicrograph displays human blood. Which blood component is able to perform phagocytosis?

Feb/March 2021

Join each component to its function or functions by drawing four lines.

Feb/March 2024

What is one function of white blood cells?

Feb/March 2025

Which substances are dissolved in the plasma of human blood?

May/June 2016

What substances are dissolved in human blood plasma?

May/June 2016

Which substances are present in dissolved form in human blood plasma?

May/June 2016

What is the liquid part of blood called?

May/June 2016

Which blood component carries the greatest amount of oxygen?

May/June 2017

Which is one function of certain white blood cells?

May/June 2017

The diagram illustrates a human blood cell. What function does it carry out?

May/June 2017

A deficiency in which of the following may cause blood in a person to clot inadequately?

May/June 2017

Which part of the blood makes antibodies?

May/June 2017

Which row gives the best description of human blood groups?

May/June 2017

Fig. 9.1 presents a person donating blood. The blood is separated into its individual components and then used to manage different medical conditions.

May/June 2017

In humans, red blood cells come from stem cells. Fig. 3.1 illustrates the process by which a red blood cell is formed and becomes specialised.

May/June 2017

The diagrams illustrate several components found in the blood of a mammal. Which component makes the blood begin to clot?

May/June 2018

The diagrams illustrate several components of a mammal’s blood. Which component causes the blood to begin clotting?

May/June 2018

The diagrams illustrate several components found in the blood of a mammal. Which component makes the blood begin to clot?

May/June 2018

When blood clots are being formed, injury to blood vessels triggers L, and M is changed into N. What are L, M and N?

May/June 2018

When blood clotting takes place, injury to blood vessels triggers L, and M changes into N. What are L, M and N?

May/June 2018

When blood clotting occurs, injury to blood vessels causes L to be stimulated, and M changes into N. What are L, M and N?

May/June 2018

Which of the following statements about blood groups in humans is correct?

May/June 2018

What is one role performed by some white blood cells?

May/June 2021

What is one role of some white blood cells?

May/June 2021

The photomicrograph depicts human blood. Which blood component produces antibodies?

May/June 2021

Which process proceeds more slowly than usual in a person with a very low platelet count?

May/June 2022

Which process takes longer than usual in a person who has very few platelets?

May/June 2022

Which process takes longer than usual in a person who has very few platelets?

May/June 2022

The flow diagram outlines the stages of blood clotting. Blood-clotting components circulate around the body blood vessel walls are damaged component X is changed into component Y component Y develops a mesh blood loss and pathogen entry stop What is component X?

May/June 2022

The photomicrograph shows several human blood cells. What is cell X called, and what is its function?

May/June 2022

Identify and describe the functions carried out by the cells labelled A and B in Fig. 3.1.

May/June 2023

The diagrams illustrate four different types of cells. Which of these cells contains haemoglobin?

May/June 2024

Which diagram shows a cell that is responsible for transporting oxygen?

May/June 2024

Which blood component is responsible for producing antibodies?

May/June 2024

The diagrams illustrate four components of blood. Which component is responsible for producing antibodies?

May/June 2024

What type of cell carries oxygen?

May/June 2025

Which structures in humans and in plants usually transport amino acids?

May/June 2025

The photomicrograph displays some blood cells. Which row gives the name and function of the cell labelled X?

May/June 2025

Join each function to the blood component that performs it using straight lines. Draw four straight lines.

May/June 2025

The diagram shows human blood cells viewed through a microscope. What is the function of cell X?

Oct/Nov 2016

The diagram displays human blood cells as they appear under a microscope. What is the function of cell X?

Oct/Nov 2016

The diagram illustrates human blood cells as they appear under a microscope. What is the role of cell X?

Oct/Nov 2016

The diagram below shows human blood cells viewed through a microscope. What is the role of cell X?

Oct/Nov 2016

The diagram illustrates human blood cells viewed through a microscope. What is the function of cell X?

Oct/Nov 2016

Which change takes place during blood clotting?

Oct/Nov 2016

The diagram displays human blood cells as they appear under a microscope. What is the function of cell X?

Oct/Nov 2016

Fig. 8.1 illustrates the apparatus used to investigate the substances present in cigarette smoke. Smoke from the lit cigarette is drawn through the apparatus. The findings are shown in Table 8.1.

Oct/Nov 2016

The photomicrograph displays several blood cells. What is the function of cell P?

Oct/Nov 2017

The diagram illustrates human blood cells as they appear through a microscope. What function does cell X carry out?

Oct/Nov 2019

The table gives the concentration of red blood cells, white blood cells and platelets in the blood of four patients. Which patient is most likely to have an iron deficiency in their diet and would have difficulty forming a blood clot?

Oct/Nov 2019

The diagram shows human blood cells as viewed through a microscope. What is the function of cell X?

Oct/Nov 2019

The table gives the concentrations of red blood cells, white blood cells and platelets in the blood of four patients. Which patient is most likely to have an iron deficiency in their diet \textbf{and} would have difficulty forming a blood clot?

Oct/Nov 2019

Which substance present in tobacco smoke directly decreases the oxygenation of the blood?

Oct/Nov 2019

Fig. 6.1 shows a photomicrograph of a blood clot.

Oct/Nov 2019

Which part of blood produces antibodies?

Oct/Nov 2021

The diagram illustrates blood split into four distinct layers. Which labelled component has the correct function?

Oct/Nov 2021

Which blood component makes antibodies?

Oct/Nov 2021

Which blood component is responsible for producing antibodies?

Oct/Nov 2021

Which blood component manufactures antibodies?

Oct/Nov 2021

The photomicrograph shows several different kinds of blood cell. What does the cell labelled X do?

Oct/Nov 2022

The diagrams show blood flow in the circulatory systems of fish and humans. In fish circulation and in human circulation, at which point is the oxygen concentration the greatest?

Oct/Nov 2022

Fig. 2.1 is a photomicrograph showing human blood.

Oct/Nov 2022

In which row is the blood component matched correctly with its function?

Oct/Nov 2023

What function do lymphocytes have in the blood?

Oct/Nov 2023

The photomicrograph shows a number of blood cells. What is the function of cell P?

Oct/Nov 2023

The photomicrograph displays two blood cells. What function do these cells have?

Oct/Nov 2024

The diagram illustrates one part of blood. What is this component called?

Oct/Nov 2024

Which part of the blood transports hormones?

Oct/Nov 2024

The graph indicates the number of students in a class for each blood group. What conclusion can be drawn about blood groups from the graph?

Oct/Nov 2025

What is one role of red blood cells?

Oct/Nov 2025