Respiration Revision Questions W. McConnell 2004 Kinross High School.

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Presentation transcript:

Respiration Revision Questions W. McConnell 2004 Kinross High School

1. Where does respiration take place? Answer: In all cells W. McConnell 2004 Kinross High School

3. What is meant by the term ‘respiration’? Answer: The chemical process by which energy is released from food.

W. McConnell 2004 Kinross High School 4. What is the main source of energy in a cell? Answer: Glucose

3. Name 4 things that cells need energy for. Answer: Cell division Heat production Movement Chemical reactions W. McConnell 2004 Kinross High School

4 Give 2 ways that energy can be stored in cells Answer Fat Carbohydrate W. McConnell 2004 Kinross High School

5 Name 3 places that energy can be stored in humans. Answer Liver - (glycogen) Muscles - (glycogen) Under skin – (fat) W. McConnell 2004 Kinross High School

5. How do plants obtain their glucose? Answer: They make glucose by photosynthesis.

6 In what form do plants store their energy. Answer In the form of starch W. McConnell 2004 Kinross High School

1. What energy change takes place when food burns? Chemical energy to heat energy. Answer:

7 The diagram below shows the apparatus to find the energy in different foods. thermometer water food sample Name 2 variables which must remain constant if you were testing different foods. Volume of water Mass of food heat

W. McConnell 2004 Kinross High School 2. What unit is used to measure the heat energy given off from food? Answer: Kilojoules

9. Which food type contains most energy? Answer: Fat W. McConnell 2004 Kinross High School

10. In the experiment to find out which food type gave out most heat energy, give 2 sources of error when carrying out the experiment. Answer Some heat lost to air Food not completely burnt W. McConnell 2004 Kinross High School

11. Answer How would it be possible to make sure that all the food had been completely burnt? Supply oxygen to the food when burning it. W. McConnell 2004 Kinross High School

12. Answer Which chemical absorbs carbon dioxide? Potassium Hydroxide W. McConnell 2004 Kinross High School

13. Answer What are the 2 raw materials involved in respiration? Glucose Oxygen W. McConnell 2004 Kinross High School

14. Answer Name the 2 waste products produced from respiration. Water Carbon dioxide W. McConnell 2004 Kinross High School

15. Answer What colour does bicarbonate indicator show when carbon dioxide is present? Yellow W. McConnell 2004 Kinross High School

16 Answer What does the word metabolism mean? All the chemical reactions which happen inside a cell. W. McConnell 2004 Kinross High School

17. Answer Which gas is taken in and given out by living cells during aerobic respiration? Gas taken in ? Gas given out ? oxygen carbon dioxide W. McConnell 2004 Kinross High School

18. What is meant by aerobic respiration? Answer: The breakdown of glucose in cells in the presence of oxygen. W. McConnell 2004 Kinross High School

19. Where do green plants get their energy from? Answer: The sun

20. What do the letters A.T.P. stand for? Answer: Adenosine Tri Phosphate W. McConnell 2004 Kinross High School

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