Biology cells and systems test MCC
  • 1. Deoxygenated blood is rich in carbon dioxide?
A) False
B) True
  • 2. The lungs are considered to be a major component of the circulatory system?
A) False
B) True
  • 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) Fales
B) True
  • 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) Transports blood away from the lungs once blood is oxygenated and back to the heart
D) The “pump” of the circulatory system
  • 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) One of the top chambers of the heart
B) One of the bottom chambers of the heart
C) The “pump” of the circulatory system
  • 9. Which organ of the digestive system stores bile
A) Rectum
B) Large intestines
C) Gall bladder
  • 10. The Large intestines
A) adds HCl and pepsin (enzyme) churns food
B) adds saliva, moisture, mechanically breaks down food
C) absorbs excess water
  • 11. Which organ of the digestive system tube connects mouth to stomach? Food moves down it by peristalsis (contraction of its walls).
A) Oesophagus
B) Small intestines
C) Large intestines
  • 12. What is the function of the respiratory system?
A) To help us breath
B) To transport nutrients around the body
C) To get oxygen into the body and to get rid of carbon dioxide
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) Away from the heart
B) are the main component of the digestive system
C) back to the heart
  • 16. Chlorophyll is the ____
A) path which nutrients pass through in plants
B) green pigment in plants
C) path which water passes through 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 bread will be broken down by amylase
B) The butter will be broken down by a lipase
C) The lettuce will be broken down by cellulase
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) Aorta
C) Pulmonary Vein
D) Vena Cava
  • 20. All arteries
A) Take blood from organs
B) Have valves
C) Carry oxygenated blood
D) Have thick muscular walls
  • 21. A high surface area to volume ratio is an important factor in the function of the
A) Lung
B) Trachea
C) Oesophagus
D) Bladder
  • 22. Gaseous exchange occurs in the lung at the
A) Bronchioles
B) Cilia
C) Alveoli
D) Alveolar Duct
  • 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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