Lesson 7.2.1
7.2.1 Overall aerobic respiration and enzyme-controlled steps Quiz: Pearson Edexcel Biology, Unit 7
20 questions
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Lesson 7.2.1, Overall aerobic respiration and enzyme-controlled steps: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 7: Run for your Life, written with Revision Ninja.
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The 20 questions
-
What are the products of the complete aerobic respiration of glucose?
- Lactic acid, water
- Carbon dioxide, water
- Carbon dioxide, ethanol
- Pyruvate, water
-
What acts as the final electron acceptor in aerobic respiration?
- NAD
- Carbon dioxide
- Pyruvate
- Oxygen
-
What controls each individual step in the metabolic pathway of respiration?
- Specific enzymes
- Specific hormones
- Adenosine triphosphate
- Carrier proteins
-
Where does glycolysis occur in a eukaryotic cell?
- Mitochondrial matrix
- Intermembrane space
- Inner mitochondrial membrane
- Cytoplasm
-
In aerobic respiration, what molecule is formed when hydrogen unites with oxygen?
- Lactate
- Water
- Pyruvate
- Carbon dioxide
-
Which molecule is the primary substrate in aerobic respiration?
- Glycogen
- Pyruvate
- Glucose
- Acetyl CoA
-
Why does aerobic respiration produce significantly more ATP than anaerobic respiration?
- Rapid pyruvate breakdown
- Incomplete glucose breakdown
- Complete glucose oxidation
- Direct cytoplasmic synthesis
-
In aerobic respiration, energy released is primarily captured in which molecule?
- NAD
- ATP
- ADP
- Pyruvate
-
Measuring the rate of oxygen consumption in an organism indicates which process rate?
- Aerobic respiration
- Transpiration
- Photosynthesis
- Anaerobic respiration
-
Which gas is produced as a primary waste product of aerobic respiration?
- Carbon dioxide
- Methane
- Oxygen
- Nitrogen
-
What controls each individual reaction step in aerobic respiration to release energy gradually?
- Specific enzymes
- Carrier proteins
- Coenzyme A
- Phospholipid bilayers
-
When investigating respiration rate using a respirometer, what is the dependent variable?
- Volume of substrate
- Mass of organism
- Oxygen uptake rate
- Temperature of water
-
During strenuous exercise, what happens to the rate of aerobic respiration in muscle cells?
- It increases
- It stops completely
- It stays constant
- It decreases
-
What is the role of oxygen in the electron transport chain during aerobic respiration?
- Enzyme catalyst
- Primary electron donor
- Proton pump driver
- Final electron acceptor
-
How many specific reactions does each respiratory enzyme typically control in aerobic respiration?
- Unlimited numbers
- Exactly two
- Exactly one
- Up to ten
-
High cellular concentrations of which molecule stimulate an increase in the respiration rate?
- ADP
- ATP
- Glucose-6-phosphate
- Reduced NAD
-
What end product is produced during anaerobic respiration in human muscle tissue?
- Pyruvate
- Carbon dioxide
- Ethanol
- Lactate
-
How do the metabolic pathways of aerobic respiration and photosynthesis compare overall?
- They use one enzyme
- They are passive
- They are identical
- They are different
-
What is the primary function of the electron transport chain in aerobic respiration?
- Synthesising acetyl CoA
- Generating lactate
- Driving ATP synthesis
- Producing glucose
-
How many carbon dioxide molecules are produced from the complete aerobic respiration of one glucose molecule?
- 2
- 12
- 4
- 6
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