Digestive system — Paper 2 · IGCSE Sciences - Co-ordinated (Double) 0654

11 Much of the internal surface of the human small intestine is covered with villi. What is the function of villi? A excretion of waste into the intestine B secretion of enzymes into the intestine C to improve blood circulation in the intestine walls D to increase the internal surface area of the intestine

1 marks

Answer: D

This question in 0654/22 May/June 2017

3 The diagram shows part of the digestive system. P Q R S Which of the labelled parts produce digestive enzymes, absorb water and store bile? produce digestive absorb water store bile enzymes A P Q R B Q R P C R S P D S P R

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2018

6 Much of the internal surface of the human small intestine is covered with villi. What is the function of villi? A excretion of waste into the intestine B secretion of enzymes into the intestine C to improve blood circulation in the intestine walls D to increase the internal surface area of the intestine

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2020

6 Much of the internal surface of the human small intestine is covered with villi. What is the function of villi? A excretion of waste into the intestine B secretion of enzymes into the intestine C to improve blood circulation in the intestine walls D to increase the internal surface area of the intestine

1 marks

Answer: D

This question in 0654/22 Oct/Nov 2020

6 Much of the internal surface of the human small intestine is covered with villi. What is the function of villi? A excretion of waste into the intestine B secretion of enzymes into the intestine C to improve blood circulation in the intestine walls D to increase the internal surface area of the intestine

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2020

6 The diagram shows part of the alimentary canal and associated organs. Where is lipase produced? C D B A

1 marks

Answer: A

This question in 0654/22 Feb/March 2021

6 The diagram shows part of the digestive system. P Q R S Which labelled parts produce digestive enzymes, absorb water and store bile? produce digestive absorb water store bile enzymes A P Q R B Q R P C R S P D S P R

1 marks

Answer: C

This question in 0654/21 May/June 2022

6 The diagram shows part of the digestive system. P Q R S Which labelled parts produce digestive enzymes, absorb water and store bile? produce digestive absorb water store bile enzymes A P Q R B Q R P C R S P D S P R

1 marks

Answer: C

This question in 0654/22 May/June 2022

6 The diagram shows part of the digestive system. P Q R S Which labelled parts produce digestive enzymes, absorb water and store bile? produce digestive absorb water store bile enzymes A P Q R B Q R P C R S P D S P R

1 marks

Answer: C

This question in 0654/23 May/June 2022

6 Dogs are mammals and have the same types of teeth as humans. Which tooth is a canine? B A D C

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2022

6 Some processes that occur in the alimentary canal and associated organs are listed. 1 absorption 2 assimilation 3 digestion 4 egestion 5 ingestion Which diagram correctly links each process to the part of the alimentary canal or associated organs? A B 5 3 1 3 1 5 2 4 4 2 C D 4 5 2 3 2 3 1 1 5 4

1 marks

Answer: D

This question in 0654/21 May/June 2023

6 The diagram shows a villus. P Q What are structures P and Q and which substances do they absorb? structure substance absorbed amino fatty capillary lacteal acids acids A P Q P Q B P Q Q P C Q P P Q D Q P Q P

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2024

6 Which organ produces an alkaline mixture that neutralises gastric juices? A salivary glands B large intestine C liver D stomach

1 marks

Answer: C

This question in 0654/21 May/June 2025

6 The diagram shows part of the human digestive system. P Q R S Which organs produce digestive enzymes? A P and Q B Q and R C R and S D S and P

1 marks

Answer: B

This question in 0654/22 Oct/Nov 2025