A Level Biology – Phagocytosis

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A Level Biology – Phagocytosis

Last updated: 17/02/2022

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Question 1 of 22

1. Question
What enzymes are involved in phagocytosis ?
- Lytic
- Amylase
- Fixing
- Toxic
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Question 2 of 22

2. Question
What is the most common phagocyte ?
- Neutrophils
- Macrophages
- Basophiles
- Erythrocytes
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Question 3 of 22

3. Question
What do phagocytes contain lots of ?
- Lysosomes
- pathogens
- Antigens
- Amino acids
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Question 4 of 22

4. Question
Where are neutrophils found ?
- Blood and tissue fluid
- Blood
- Tissue fluid
- Plasma
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Question 5 of 22

5. Question
How can a neutrophil be identified ?
- Multi-lobed nucleus
- Thick membrane
- Abnormal antigen shape
- Large surface area
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Question 6 of 22

6. Question
By which process to phagocytes engulf pathogens ?
- Endocytosis
- Exocytosis
- Active transport
- Osmosis
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Question 7 of 22

7. Question
What do antigen presenting cells do ?
- Activate T & B lymphocytes
- Detoxify pathogens
- Secrete antigens
- Cause inflammation
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Question 8 of 22

8. Question
How are large particles engulfed by cells?
- By vesicles formed from the cell surface membrane
- By chemicals breaking it down before the phagocyte picks waste up
- By forming a physical barrier
- By multiple strands of RNA coiling round the particle
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Question 9 of 22

9. Question
How do phagocytes travel around the body?
- Via blood
- Via lymph
- Via sputum
- Via the digestive system
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Question 10 of 22

10. Question
Which of these chemical products does not act as an attractant to pathogens for phagocytes?
- Normal cells
- Dead cells
- Damaged cells
- Abnormal cells
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Question 11 of 22

11. Question
How do phagocytes attach to the pathogen?
- By receptors on their surface attaching to chemicals on the surface of the pathogen
- By enzymes breaking down a substrate on the pathogens surface
- By mucus solidifying between the phagocyte and pathogen
- By action potentials being generated between the two membranes
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Question 12 of 22

12. Question
Once the pathogen is engulfed, what is the name given to the structure formed?
- Phagosome
- Phagocytosis
- Phagocyst
- Phagosicle
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Question 13 of 22

13. Question
How do lysosomes then destroy the engulfed pathogen?
- By hydrolysing their cell walls
- By inhibiting respiration
- By fermenting their contents
- By fusing to their cell membranes
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Question 14 of 22

14. Question
What happens to the waste products of phagocytosis?
- They are absorbed by the cytoplasm of the phagocyte
- They are flushed out of the cell
- They are used for respiration
- They are formed into new strands of DNA
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Question 15 of 22

15. Question
What must a pathogen first do to infect the body?
- Gain entry
- Get to the heart
- Break through the skin
- Enter the brain
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Question 16 of 22

16. Question
What is the name given to structure A?
- Phagocyte
- Nucleus
- Lysosome
- Phagosome
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Question 17 of 22

17. Question
What is the name given to structure B?
- Lysosome
- Phagocyte
- Cytoplasm
- Nucleus
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Question 18 of 22

18. Question
What is the name given to structure C?
- Nucleus
- Phagsome
- Pathogen
- Cytoplasm
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Question 19 of 22

19. Question
What is the name given to structure D?
- Pathogen
- Phagocyte
- Phagosome
- Lysosome
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Question 20 of 22

20. Question
What is the name given to structure E?
- Cytoplasm
- Lysosome
- Phagosome
- Pathogen
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Question 21 of 22

21. Question
What do lysosomes realease into phagosomes?
- Lysozymes
- Lytics
- Lysosomes
- Lyzsosomes
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Question 22 of 22

22. Question
What are phagocytes a type of?
- Leukocytes
- Erthrocytes
- Cells
- Hormones
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