1. Copyright © 2015 Henry Exham
Total: ___ / 37
IGCSE BiologyIGCSE Biology – 4BIO
MAKING SENSE OF
IGCSE QUIZ 1:
Organisms and Life Processes

2. Copyright © 2015 Henry Exham
1. What are the 8 characteristics of life? (3)
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2. Name three structures found in plant cells but not animals cells. (3)
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3. In which part of the cell does aerobic respiration take place? (1)
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4. How would you describe the permeability of the cell membrane? (1)
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5. What substance is the plant cell wall made of? (1)
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6. Where in a plant cell does photosynthesis take place? (1)
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7. What part of an enzyme does the substrate bind to? (1)
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8. What happens when enzymes get heated to a very high temperature? (1)
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9. Name two other factors, apart from temperature, which affect the rate
at which an enzyme acts? (2)
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3. Copyright © 2015 Henry Exham
10. Write the balanced chemical equation for aerobic respiration. (2)
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11. Write the word equation for anaerobic respiration. (2)
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12. Give two examples of where anaerobic respiration occurs? (2)
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13. What term is used to describe the oxygen you need to use, after
anaerobic respiration, to break down the waste product? (1)
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14. Define diffusion? (2)
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15. Give three examples of where diffusion occurs in the human body. (3)
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16. Define the term active transport. (2)
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4. Copyright © 2015 Henry Exham
17. Give one example of active transport. (1)
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18. Give three examples of organ systems. (3)
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19. Define the term tissue. (2)
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20. Give three examples of specialised animal cells. (3)
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END OF TEST

5. Copyright © 2015 Henry Exham
Total: ___ / 37
IGCSE BiologyIGCSE Biology – 4BIO
MAKING SENSE OF
IGCSE QUIZ 1:
Organisms and Life Processes
ANSW
ERS

6. Copyright © 2015 Henry Exham
1. What are the 8 characteristics of life? (3)
Movement, Respiration, Sensitivity, Growth, Excretion, Reproduction,
Nutrition, control
2. Name three structures found in plant cells but not animals cells. (3)
...............Vacuole........................................................................................
................ Chloroplasts ..........................................................................
..............Cell Wall..................................................................................
3. In which part of the cell does aerobic respiration take place? (1)
.............Mitochondria.................................................................................
4. How would you describe the permeability of the cell membrane? (1)
............. Partially permeable .................................................................
5. What substance is the plant cell wall made of? (1)
........... Cellulose .......................................................................
6. Where in a plant cell does photosynthesis take place? (1)
...........Chloroplasts ..........................................................................
7. What part of an enzyme does the substrate bind to? (1)
.............Active Site ...............................................................................
8. What happens when an enzyme gets heated to a high temperature? (1)
............It gets denatured ...............................................................................
9. Name two other factors, apart from temperature, which affect the rate
at which an enzyme acts? (2)
...........pH , substrate concentration, enzyme concentration ...................

7. Copyright © 2015 Henry Exham
10. Write the balanced chemical equation for aerobic respiration. (2)
C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy
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11. Write the word equation for anaerobic respiration. (2)
Glucose → Lactic Acid + a little energy
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12. Give two ways the energy produced by anaerobic respiration is used? (2)
..................Active transport, muscle contraction, fermentation in yeast
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13. What term is used to describe the oxygen you need to use, after
anaerobic respiration, to break down the waste product? (1)
................Oxygen debt ...............................................
14. Define diffusion? (2)
..........The movement of molecules from an area of high concentration to low
concentration ..............
15. Give three examples of where diffusion occurs in the body. (3)
................ Gas exchange in the alveoli ........................................................
.............. Absorption of nutrients by the villi in the small intestine ...........
............. Exchange of gas and nutrients in the placenta ......................
16. Define the term active transport. (2)
The movement of a substance from a low to a high concentration, against a
concentration gradient, using energy.
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8. Copyright © 2015 Henry Exham
17. Give one example of active transport. (1)
.................. Absorption of minerals in plant roots ................................
18. Give three examples of organ systems. (3)
...........Circulatory system .............................
..........Respiratory system ............................................................................
..........Nervous system ...........................................................................
19. Define the term tissue. (2)
......... A collection of similar cells working together to carry out a particular
function ................................................................................
20. Give three examples of specialised animal cells. (3)
............ Nerve cell, sperm cell, red blood cell, ciliated epithelial cell, white
blood cell, muscle cell etc ...........................................................
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END OF TEST