AQA Biology Past Paper - Bioenergetics Foundation Revision Activity Mat PDF

1 AQA Trilogy Biology Unit 4.4: Bioenergetics – Foundation a e h j Complet...

1 AQA Trilogy Biology Unit 4.4: Bioenergetics – Foundation a e h j Complete the word equation for photosynthesis. Draw a line on the graph to show how Draw a line on the graph to show how light Explain how the amount of chlorophyll in a temperature affects the rate of photosynthesis. intensity affects the rate of photosynthesis. leaf affects the rate of photosynthesis. The less chlorophyll in a leaf, + → + glucose Give two reasons there may be less chlorophyll b Join the chemical formula to the correct in the leaf. chemical name. 1.   CO2 oxygen Intensity of Light 2.  Explain how temperature affects the rate of Describe how light intensity affects the rate of  H2O glucose photosynthesis. photosynthesis. k The illustration shows a method for O2 carbon dioxide As the temperature increases, the rate Increasing light intensity the rate of investigating the effect of light intensity on of photosynthesis. When the photosynthesis until. photosynthesis. temperature gets too high, the enzymes that C6H12O6 water control photosynthesis and the rate of photosynthesis. i Use the keywords to complete the five ways c that glucose produced in photosynthesis could Choose the correct answer: f Draw a line on the graph to show be used. Photosynthesis is an exothermic/endothermic how carbon dioxide affects the rate of 1. For. How could you measure the rate of reaction. photosynthesis. 2. Converted into insoluble for. photosynthesis using this equipment? 3. Used to produce or for. Fill in the blanks: 4. Used to produce , which  strengthens the.  In photosynthesis, is transferred from 5. Used to produce for. To produce plants also need Circle the independent variable in this the e to the c by l. ions that are absorbed from the soil. experiment from the list below. Number of bubbles; d Keywords: cellulose, nitrate, starch, amino acids, volume of gas; On the diagram of a plant cell below, label Carbon Dioxide Concentration distance of the lamp from the pondweed; respiration, storage, proteins, cell wall, oil, fat, the part of the cell where photosynthesis volume of water; Describe how carbon dioxide affects the rate of protein synthesis happens. temperature of the water. photosynthesis. Increasing the concentration of carbon dioxide will the rate of the photosynthesis We often add a heat shield to the apparatus until. shown, what is the purpose of this? To absorb any given off by the g so that we can control the of the How does the rate of photosynthesis affect pondweed. the biomass of a plant?  Why do we need to control some variables in an experiment?  To make sure it is a and so that we can collect results. visit twinkl.com  2 AQA Trilogy Biology Unit 4.4: Bioenergetics – Foundation a d f i Respiration is an exothermic/endothermic The illustrations show the macromolecules What is metabolism? The graph shows the reaction that takes place in the m in the foods that we eat. Put the keywords into The sum of all the  in a cell, or the effect of exercise on Change in Heart Rate during Exercise of cells. the correct boxes to identify the molecules they body. heart rate. are broken down into. The more active a cell is, the more mitochondria Keywords: fatty acids, sugars/glucose, amino Metabolism includes the synthesis of new Heart Rate it needs. Name two cell types that have lots of acids, glycerol molecules. Complete the sentences to identify mitochondria. some of the molecules that are made in plant  and/or animal cells.  1. Glucose is converted to s ,g and c. Respiration transfers e into a form we carbohydrates 2. Glycerol and molecules of fatty How long did the person exercise for? can use for living processes. acid are used to form.  3. Glucose and n ions are used to form Join the type of respiration to the correct , which are used to form. How much did their heart rate increase during definition to show how respiration can take exercise? place. What happens to excess proteins in the body?  lipids They are broken down to form u for aerobic without oxygen excretion. j When does anaerobic respiration happen?  anaerobic using oxygen  g Explain what happens to your heart rate when you exercise. Complete the word equation for anaerobic b proteins Complete the word equation for aerobic respiration in muscles. respiration. Your heart rate so that The small dots on each of the larger molecules oxygenated blood is carried to your muscles. → represent the catalysts that help to break down Therefore, more and reach glucose + → + the food. What are these called? the cells. Why is anaerobic respiration not as efficient as Complete the formula equation for aerobic  The rate of can increase to transfer aerobic respiration? respiration. more for muscle.  Why is respiration important in this process? is removed from the muscles at  The e need the e that is r C6H12O6+ → + a faster rate. from respiration to carry out their job. h c e Explain what happens to your breathing rate k Give three reasons that organisms need Complete the word equation for anaerobic Explain what happens to your muscles during energy. respiration in plant and yeast cells. when you exercise. long periods of vigorous activity. → + Your breathing rate and breath volume 1. For c r that build bigger. There is a build up of which m. What is anaerobic respiration in yeast called? The rate at which is brought into contributes to muscle f. 2. For m.  your body is. 3. For keeping w. The rate at which is removed Muscles stop effectively. Why does this process have economic is. importance? This means more is available to be An o d is created.  transported to cells for. visit twinkl.com AQA Trilogy Biology Unit 4.4: Bioenergetics – Foundation Answers 1 a e h j Complete the word equation for photosynthesis. Draw a line on the graph to show how Draw a line on the graph to show how light Explain how the amount of chlorophyll in a sunlight temperature affects the rate of photosynthesis. intensity affects the rate of photosynthesis. leaf affects the rate of photosynthesis. The less chlorophyll in a leaf, the less carbon dioxide + water → oxygen + glucose photosynthesis. b Give two reasons there may be less chlorophyll Join the chemical formula to the correct chemical name. in the leaf. 1. If the plant has diseases, like tobacco CO2 oxygen mosaic virus or rose black spot. Intensity of Light 2. If the plant does not have enough minerals, Explain how temperature affects the rate of Describe how light intensity affects the rate of like magnesium. H2O glucose photosynthesis. photosynthesis. k The illustration shows a method for O2 carbon dioxide As the temperature increases, the rate of Increasing light intensity increases the rate of investigating the effect of light intensity on photosynthesis increases. When the temperature photosynthesis until another factor limits the photosynthesis. gets too high, the enzymes that control rate. C6H12O6 water photosynthesis denature and the rate of photosynthesis decreases. i Use the keywords to complete the five ways c that glucose produced in photosynthesis could Choose the correct answer: f Draw a line on the graph to show be used. Photosynthesis is an exothermic/endothermic how carbon dioxide affects the rate of 1. For respiration. How could you measure the rate of reaction. photosynthesis. 2. Converted into insoluble starch for storage. photosynthesis using this equipment? 3. Used to produce fat or oil for storage. Count the number of bubbles released in a given Fill in the blanks: 4. Used to produce cellulose, which strengthens time (e.g. per minute). the cell wall. In photosynthesis, energy is transferred from 5. Used to produce amino acids for protein Circle the independent variable in this the environment to the chloroplasts by light. synthesis. To produce proteins plants also experiment from the list below. need nitrate ions that are absorbed from the Number of bubbles; soil. volume of gas; d On the diagram of a plant cell below, label Carbon Dioxide Concentration distance of the lamp from the pondweed; Keywords: cellulose, nitrate, starch, amino acids, the part of the cell where photosynthesis volume of water; Describe how carbon dioxide affects the rate of respiration, storage, proteins, cell wall, oil, fat, happens. temperature of the water. photosynthesis. protein synthesis Increasing the concentration of carbon dioxide We often add a heat shield to the apparatus will increase the rate of the photosynthesis shown, what is the purpose of this? until another factor limits the rate. To absorb any heat given off by the lamp so Chloroplasts g that we can control the temperature of the How does the rate of photosynthesis affect pondweed. the biomass of a plant? Why do we need to control some variables in an The more photosynthesis, the more biomass the experiment? plant makes, so the faster it grows. To make sure it is a fair test and so that we can collect valid results. visit twinkl.com AQA Trilogy Biology Unit 4.4: Bioenergetics – Foundation Answers 2 a d f i Respiration is an exothermic/endothermic The illustrations show the macromolecules What is metabolism? The graph shows the reaction that takes place in the mitochondria of in the foods that we eat. Put the keywords into The sum of all the reactions in a cell, or the effect of exercise on Change in Heart Rate during Exercise cells. the correct boxes to identify the molecules they body. heart rate. are broken down into. The more active a cell is, the more mitochondria Keywords: fatty acids, sugars/glucose, amino Metabolism includes the synthesis of new Heart Rate it needs. Name two cell types that have lots of acids, glycerol molecules. Complete the sentences to identify mitochondria. some of the molecules that are made in plant muscle cells, sperm cells, ciliated epithelial and/or animal cells. cells, phloem companion cells 1. Glucose is converted to starch, glycogen and cellulose. Respiration transfers energy into a form we can carbohydrates sugars/glucose 2. Glycerol and three molecules of fatty acid How long did the person exercise for? use for living processes. are used to form lipids. 20 minutes 3. Glucose and nitrate ions are used to form Join the type of respiration to the correct amino acids, which are used to form How much did their heart rate increase during definition to show how respiration can take proteins. exercise? place. 80 beats per minute fatty acids and lipids glycerol What happens to excess proteins in the body? aerobic without oxygen They are broken down to form urea for j When does anaerobic respiration happen? excretion. When your body can’t supply oxygen to the anaerobic using oxygen muscles fast enough. g Explain what happens to your heart rate when you exercise. Complete the word equation for anaerobic b proteins amino acids Complete the word equation for aerobic respiration in muscles. respiration. Your heart rate increases so that more The small dots on each of the larger molecules oxygenated blood is carried to your muscles. glucose → lactic acid represent the catalysts that help to break down Therefore, more oxygen and glucose reach glucose + oxygen → carbon dioxide + water the food. What are these called? the cells. enzymes Why is anaerobic respiration not as efficient as Complete the formula equation for aerobic The rate of respiration can increase to aerobic respiration? respiration. transfer more energy for muscle contraction. Why is respiration important in this process? The glucose molecules are not completely Carbon dioxide is removed from the muscles broken down, so much less energy is The enzymes need the energy that is released C6H12O6+ O2 → CO2+ H2O at a faster rate. from respiration to carry out their job. transferred. h c e Explain what happens to your breathing rate k Give three reasons that organisms need Complete the word equation for anaerobic Explain what happens to your muscles during energy. respiration in plant and yeast cells. when you exercise. long periods of vigorous activity. glucose → ethanol + carbon dioxide Your breathing rate and breath volume 1. For chemical reactions that build bigger increase. There is a build up of lactic acid which molecules. What is anaerobic respiration in yeast called? contributes to muscle fatigue. The rate at which oxygen is brought into 2. For movement. fermentation your body is increased. 3. For keeping warm. The rate at which carbon dioxide is removed Muscles stop contracting effectively. Why does this process have economic is increased. importance? This means more oxygen is available to be An oxygen debt is created. It is used to make alcohol and bread. transported to cells for respiration. visit twinkl.com