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- 1. Multiple Choice
What are the products of aerobic respiration?
Carbon Dioxide and Energy
Lactic Acid
Water and Carbon Dioxide
Glycogen and Carbon Dioxide
- 2. Multiple Choice
What are the products of anaerobic respiration in a human cell?
Energy and Lactic Acid
Lactic Acid
Lactic Acid and Carbon Dioxide
Carbon Dioxide and Water
- 3. Multiple Choice
What are the products of anaerobic respiration in plants and yeast?
Lactic Acid and Carbon Dioxide
Carbon Dioxide and Energy
Ethanol and Energy
Ethanol and Carbon Dioxide
- 4. Multiple Choice
Which type of respiration releases more energy per gram of glucose?
Aerobic
Anaerobic
They both release the same amount
- 5. Multiple Choice
What is the chemical formula for glucose?
C6H12O6
C12H6O12
C6O12H6
6CH2O
- 6. Multiple Choice
Where is lactic acid principally broken down in the human body?
Muscles
Liver
Kidneys
Blood
- 7. Multiple Choice
What is the equation for aerobic respiration?
C6H12O6 + 6O2 --> 6CO2 + 6H2O
C6H12O6 + O2 --> CO2 + H2O
C6H12O6 + 6O2 --> CO2 + 6H2O
6C6H12O6 + 6O2 --> 6CO2 + 6H2O
- 8. Multiple Choice
Where in the body does respiration take place? Select the best answer.
The lungs
The muscles
All cells
The blood
- 9. Multiple Choice
What is the purpose of respiration? Select the best answer.
To release the chemical energy stored in glucose
To generate heat
To produce energy
To absorb oxygen by diffusion
- 10. Multiple Choice
Which type of pH indicator was used in this respiration experiment?
Universal
Hydrogen Carbonate
Phenolphthalein
Methyl Orange
- 11. Multiple Choice
Why did the pH decrease in the test tubes containing maggots and germinating beans? Choose 2 answers.
The organisms released CO2 in aerobic respiration
The organisms released lactic acid in anaerobic respiration
CO2 dissolves to form an acid
Lactic acid has a low pH
The O2 concentration decreased
- 12. Multiple Choice
This is an experiment to measure the rate of respiration in seeds. Why are the seeds in a vacuum flask?
To retain the small amount of heat released by respiration
To keep the seeds warm to speed up germination
So that the room temperature doesn't affect the results
To prevent light reaching the seeds
- 13. Multiple Choice
This is an experiment to measure the rate of respiration in seeds. Why is there cotton wool in the mouth of the vacuum flask?
To allow oxygen into the flask
To prevent a build up of pressure
So that the seeds can be watered
So that the seeds have something to grow roots into
- 14. Multiple Choice
Plants do respiration...
24 hours a day
During the day time
Never
When they cannot photosynthesise
- 15. Multiple Choice
The energy released in respiration is stored by creating which molecule?
Glucose
Lactic Acid
ATP
ADP
- 16. Multiple Choice
What is the purpose of this chemical reaction in a cell:
ATP ----------> ADP + P
To release energy immediately
To produce energy immediately
To pay back oxygen debt
To break down lactic acid
- 17. Multiple Choice
Where in a cell does aerobic respiration take place?
Cytoplasm
Ribosomes
Mitochondria
Nucleus
Chloroplasts
- 18. Multiple Choice
Why do mice have a faster rate of respiration than a hippo?
They have a larger SA:V ratio and need to release more heat energy to stay warm.
They need more energy because they move around more
They have a higher body temperature so they need to release more heat energy
They eat continuously and therefore have more glucose available for respiration
- 19. Multiple Choice
Why do athletes continue to breath heavily after exercise? Choose 2 answers.
They need O2 to break down lactic acid
They need more O2 for aerobic respiration
They have to remove excess CO2 from the blood
The muscle cells need to rebuild their stores of ATP
- 20. Multiple Choice
Which of these are the result of anaerobic respiration in a human? Choose 2 answers.
Oxygen Debt
Lactic Deficit
Lactic Acid
Excess Carbon Dioxide
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