Biology cells and systems test MCC

1. Deoxygenated blood is rich in carbon dioxide?

A) True
B) False

2. The lungs are considered to be a major component of the circulatory system?

A) True
B) False

3. Chewing with your teeth is an example of chemical digestions?

A) False
B) True

4. Alveoli are adapted to make gas exchange in the lungs occur more easily?

A) True
B) Fales

5. Enzymes are an example of chemical digestion?

A) True
B) False

6. The Pulmonary vein

A) One of the top chambers of the heart
B) Transports blood away from the heart once blood is oxygenated and back to the lungs
C) The “pump” of the circulatory system
D) Transports blood away from the lungs once blood is oxygenated and back to the heart

7. The Pulmonary artery

A) One of the top chambers of the heart
B) Transports blood to lungs and away from the heart
C) Transports blood away from the lungs once blood is oxygenated and back to the heart

8. The Ventricle

A) The “pump” of the circulatory system
B) One of the bottom chambers of the heart
C) One of the top chambers of the heart

9. Which organ of the digestive system stores bile

A) Rectum
B) Large intestines
C) Gall bladder

10. The Large intestines

A) absorbs excess water
B) adds saliva, moisture, mechanically breaks down food
C) adds HCl and pepsin (enzyme) churns food

11. Which organ of the digestive system tube connects mouth to stomach? Food moves down it by peristalsis (contraction of its walls).

A) Large intestines
B) Small intestines
C) Oesophagus

12. What is the function of the respiratory system?

A) To transport nutrients around the body
B) To get oxygen into the body and to get rid of carbon dioxide
C) To help us breath
D) To maintain blood pressure

13. Normal blood pressure is considered to be

A) 80/120
B) 120/80
C) 180/20

14. The circulatory system is composed of:

A) The heart, blood and blood vessels
B) The heart, lungs, veins
C) The heart, lungs , arteries

15. Veins carry blood

A) are the main component of the digestive system
B) back to the heart
C) Away from the heart

16. Chlorophyll is the ____

A) path which nutrients pass through in plants
B) path which water passes through in plants
C) green pigment in plants

17. What is photosynthesis?

A) The process by which green plants take in water through their leaves in the presence of sunlight.
B) The process by which green plants absorb nutrients in the presence of sunlight.
C) The process by which green plants manufacture their food in the presence of sunlight.

18. If a person eats a ham salad sandwich, which of the following types of chemical digestion will occur first?

A) The butter will be broken down by a lipase
B) The lettuce will be broken down by cellulase
C) The bread will be broken down by amylase
D) The ham will be broken down by a protease

19. The blood vessel that sends oxygenated blood to the rest of the body is the:

A) Pulmonary Artery
B) Vena Cava
C) Pulmonary Vein
D) Aorta

20. All arteries

A) Have thick muscular walls
B) Take blood from organs
C) Carry oxygenated blood
D) Have valves

21. A high surface area to volume ratio is an important factor in the function of the

A) Trachea
B) Oesophagus
C) Bladder
D) Lung

22. Gaseous exchange occurs in the lung at the

A) Bronchioles
B) Alveoli
C) Alveolar Duct
D) Cilia

23. What type of cell is in Figure 3 and justify your responce. (2 marks)

24. Identify 4 structures in figure 3 (e.g. 1 = mitchondria) (4 marks)

25. List two examples of enzymes found in the digestive system. (2 Marks)

26. What is mechanical digestions and give an example. (2 marks)

27. What is chemical digestions and give an example. (2 marks)

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