Absorption

Define what is meant by the term enzyme.

Feb/March 2016

The products of protein digestion are absorbed by the blood as

Feb/March 2020

The diagram depicts a villus. Structures P and Q take in different digestion products. Which row correctly names the products absorbed by P and Q?

Feb/March 2023

Most digested food is absorbed in the small intestine. The small intestine contains many villi. Some features of villi are shown here. Which of these statements about the villi are important for the efficient absorption of glucose?

Feb/March 2024

At which stage of nutrition do food molecules become incorporated into a body cell?

Feb/March 2025

In which part of the body does most absorption of nutrients take place?

Feb/March 2025

Which kind of food is absorbed by the body without first being digested?

May/June 2016

The diagram illustrates the human alimentary canal. In which structure is most glucose taken up into the blood?

May/June 2016

Which category of food is absorbed by the body without first being digested?

May/June 2016

The bacterium Salmonella enterica can lead to severe food poisoning, and the lining of the alimentary canal may become damaged. In such cases, the absorption of digested food products cannot occur easily. Which part of the alimentary canal is most affected?

May/June 2016

Which kind of food is absorbed by the body without being digested first?

May/June 2016

The diagram depicts a villus. The arrows indicate the direction of flow in the vessels linked to the villus. Which vessel transports blood to the liver?

May/June 2016

In the process of nutrition, every organism must take in mineral ions and water from its surroundings. Which other substances do plants and animals need to take in during this process?

May/June 2016

Which statement gives a description of assimilation?

May/June 2017

Which statement gives a description of assimilation?

May/June 2017

The diagram illustrates a villus. Structures P and Q absorb different products of digestion. Which row shows the products absorbed by P and Q?

May/June 2017

The diagram shows part of the alimentary canal. In which part is most water absorbed?

May/June 2018

The diagram illustrates a section of the alimentary canal. In which part is most water absorbed?

May/June 2018

Molecules from digested food pass into the body’s cells, where they are used and incorporated into the cells. What term is being defined here?

May/June 2019

Where does water get absorbed?

May/June 2019

In humans, in which part of the body does most absorption of digested food occur?

May/June 2021

In which part of the alimentary canal does most water absorption occur?

May/June 2021

In humans, where does the majority of digested food absorption occur?

May/June 2021

In humans, where does most of the absorption of digested food occur?

May/June 2021

Fig. 4.1 shows the alimentary canal.

May/June 2022

Which row indicates where glucose would be present in the body of a healthy human after a meal has been eaten?

May/June 2023

The diagram illustrates the human alimentary canal. In which structure is most glucose taken into the blood?

May/June 2023

The diagram illustrates the human alimentary canal. In which part is most digested food absorbed into the blood?

May/June 2024

The diagram illustrates a section of the small intestine and a connected blood vessel. What does the arrow show?

May/June 2024

The diagram depicts the human alimentary canal. Which labelled part absorbs the greatest amount of water?

May/June 2024

In which part of the digestive system are most nutrients absorbed?

May/June 2024

The statements below are about villi. Which two statements best describe the function of villi in humans?

May/June 2024

Which substance do lacteals in villi absorb?

May/June 2024

The diagram illustrates part of the alimentary canal. In which part is most water absorbed?

May/June 2024

The diagram shows a cross-section of a villus. Microvilli are located on which cell surface?

May/June 2024

The diagram illustrates a cross-section through a villus. Several hours after a meal, in which area of the villus would the greatest concentrations of amino acids and of glucose be found?

May/June 2024

Complete the statements about human teeth. The process of moving food into the mouth is called [BLANK]. Flat, sharp-edged teeth at the front of the mouth, known as [BLANK], are used to bite off pieces of food. The [BLANK] and [BLANK] are the large teeth at the back of the mouth that are used for [BLANK] the food.

May/June 2024

What gets absorbed in the small intestine and the colon?

May/June 2025

What term describes the uptake and use of nutrients by cells?

May/June 2025

The diagram illustrates the structure of a villus. Which label indicates a lacteal?

May/June 2025

What role do microvilli play in the small intestine?

May/June 2025

Digested food molecules enter the body’s cells, where they are used and incorporated into them. What term does this define?

May/June 2025

The diagram illustrates the human alimentary canal. Which labelled part absorbs the greatest amount of water?

Oct/Nov 2016

In the diagram, the human alimentary canal is shown. Which labelled section absorbs the greatest amount of water?

Oct/Nov 2016

In four kinds of mammal, the length of the small intestine was recorded. The findings are presented in Table 3.1.

Oct/Nov 2016

At what stage of nutrition do food molecules become part of a body cell?

Oct/Nov 2017

During which stage of nutrition do food molecules become incorporated into a body cell?

Oct/Nov 2017

Fig. 1.1 and Fig. 1.2 each present images of villi. Fig. 1.1 is a surface image of many villi taken using a scanning electron microscope. Fig. 1.2 is a light-microscope section through one villus.

Oct/Nov 2017

In which section of the alimentary canal is the greatest amount of water absorbed?

Oct/Nov 2019

The diagram illustrates part of the alimentary canal and the organs linked to it. In which region does most water absorption occur?

Oct/Nov 2021

The diagram illustrates part of the alimentary canal and the organs linked to it. In which part does most water absorption occur?

Oct/Nov 2021

Fig. 1.1 illustrates several villi from the ileum, a region of the small intestine. Fig. 1.2 presents a more detailed view of the tip of a villus.

Oct/Nov 2021

Which process supplies an organism with the raw materials required for tissue repair?

Oct/Nov 2022

In which part of the alimentary canal is most water absorbed?

Oct/Nov 2022

Which process supplies an organism with the raw materials required for tissue repair?

Oct/Nov 2022

Where does most digested food get absorbed?

Oct/Nov 2022

What process gives an organism the raw materials necessary to repair tissue?

Oct/Nov 2022

Which process supplies an organism with the raw materials necessary for tissue repair?

Oct/Nov 2022

Which process supplies an organism with the raw materials required for tissue repair?

Oct/Nov 2022

The diagram illustrates the digestive system. Which part absorbs the greatest amount of water?

Oct/Nov 2023

In which section of the alimentary canal are most nutrients taken into the blood?

Oct/Nov 2023

The diagram illustrates a villus in the small intestine. What substance is absorbed at X?

Oct/Nov 2023

The diagram illustrates the digestive system. Which part absorbs the greatest amount of water?

Oct/Nov 2023

The diagram illustrates a villus. The arrows indicate the direction of flow in vessels linked to the villus. Which vessel transports blood to the liver?

Oct/Nov 2023

The diagram illustrates the structure of a villus. The artery, capillary, lacteal and vein are identified by letters. Which letter indicates the point at which nutrients are taken into the blood?

Oct/Nov 2023

Many villi line the small intestine, which is adapted for glucose absorption. Fig. 2.1 shows two villi taken from the lining of the small intestine.

Oct/Nov 2023

The diagram illustrates the apparatus used in an experiment designed to show two processes occurring in the body. After one hour, the water outside the dialysis tubing contained reducing sugars. Which two processes are shown by this experiment?

Oct/Nov 2024

In which part is water absorbed?

Oct/Nov 2024

The bacterium $\text{Salmonella enterica}$ can lead to severe food poisoning, and the lining of the alimentary canal may be harmed. This harm reduces the absorption of digested food. Which part of the alimentary canal is most affected by this kind of food poisoning?

Oct/Nov 2024

In which region of the alimentary canal is most water absorbed?

Oct/Nov 2024

The diagram illustrates a villus. Which statement about absorption is correct?

Oct/Nov 2024

The diagram shows a villus. Which structures carry glucose and fatty acids away from the villus?

Oct/Nov 2024

A balanced diet includes every nutrient the body needs in order to stay healthy.

Oct/Nov 2024

Which row identifies a small molecule and states where that molecule is absorbed in the digestive system?

Oct/Nov 2025

The diagram illustrates a villus. Which row gives the name and function of the part labelled X?

Oct/Nov 2025