Oxford AQA IGCSE · CORE Biology (9221)

Animal tissues, organs and organ systems: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Animal tissues, organs and organ systems.

10 questions29 marksFree, no account

Question 1

1 mark

In the human heart, the walls of the ventricles are much thicker than the walls of the atria.
What is the functional reason for this difference in the double circulatory system?

Question 2

1 mark

Which of the following correctly matches an animal tissue found in the stomach with its specific functional role?

Question 3

1 mark

The stomach is an organ that contains several different types of tissues to perform its function. Which of the following is a tissue found in the stomach and its primary role?

Question 4

1 mark

The stomach is an organ composed of several tissues. Which of the following correctly describes the interdependence of two specific tissues in the stomach to facilitate digestion?

Question 5

1 mark

The stomach is considered an organ because it contains different types of tissues working together. Which combination of tissue and function is correct regarding the stomach's role in the digestive system?

Question 6

2 marks

What is meant by the term tissue in biology?

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Question 7

5 marks

In the human digestive system, the stomach and the small intestine are both organs that contain multiple types of animal tissues.

Identify two tissues that are found in both of these organs and explain how the specific function of one of these tissues contributes to the overall process of digestion.

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Question 8

5 marks

In the mammalian heart, muscular tissue is highly specialised. Describe one structural adaptation of the heart's muscular tissue and explain how this enables the heart to function as a pump in a double circulatory system.

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Question 9

5 marks

The human stomach is an organ that plays a vital role in the digestive system.

a) Identify three different types of animal tissue found in the stomach and describe the specific function of each in the process of digestion.
b) Explain how the liver and the pancreas, as part of the same organ system, assist the small intestine in the digestion of lipids (fats).

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Question 10

7 marks

The human digestive system is an organ system made of several organs and tissues.

a) The stomach is an organ. Identify two different types of tissue found in the stomach and explain the specific function of each in the process of digestion.
b) High temperatures can denature enzymes. Explain what happens to the 'active site' of an enzyme when it is denatured and why this prevents the enzyme from functioning.
c) Describe the two different roles of bile in the digestion of lipids (fats) in the small intestine.

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