1) During which metabolic stage is glucose broken down to pyruvate? a) Glycolysis b) The citric acid cycle (krebs) c) he electron transport chain d) Oxidative phosphorylation 2) What are the products of photosynthesis? a) Carbon dioxide and water b) Glucose and oxygen c) Lactic acid d) Sulfuric acid 3) What color is chlorophyll? a) Grellow b) Green c) Blue d) rainbow 4) Where does photosynthesis take place? a) In the chloroplasts b) In the cell wall c) In the mitochondria d) In the roots 5) What is the first step in photosynthesis? a) Producing sugar b) Trapping sunlight c) Producing water 6) In addition to sunlight, what else is required for photosynthesis to take place? a) sugar and water b) water and oxygen c) carbon dioxide and water d) oxygen and carbon dioxide 7) What is the fluid-filled space that contains enzymes for the light-independent reactions called? a) Stroma b) Thylakoids c) Chloroplast d) Chlorophyll 8) When do plants respirate? a) During the noon time b) During the day and night c) During the night only d) During fortnite time 9) What molecule is produced when oxygen is reduced by the electrons in the electron transport chain? a) Hydrogen b) Water c) NADH d) FADH2 10) Respiration that occurs without oxygen is classified as which of the following a) Chemotrophic b) Phototrophic c) Aerobic d) Anaerobic 11) hat is the main cellular structure involved in respiration? a) Nucleus b) Golgi apparatus c) Mitochondria d) ER 12) .In what part of the cell does glycolysis take place? a) Cytoplasm b) Mitochondria c) Golgi apparatus d) thylakoids 13) How many molecules of ATP are produced during glycolysis (the net gain of ATP molecules)? a) 2 b) 4 c) 32 d) 38 14) Which of the following metabolic processes generates the most ATP? a) Glycolysis b) The citric acid cycle c) The electron transport chain d) Oxidative dehydration 15) Which of the following is not one of the three major macromolecule components of food? a) Carbohydrates b) Oxygen c) Lipids d) Proteins 16) Which of the following molecules contains three phosphate groups? a) AMP b) ADP c) ATP d) ADD 17) Organisms that acquire energy through photosynthesis are called which of the following? a) Autotrophs b) Chemotrophs c) heterotrophs d) Phototrophs 18) Which of the following events do not take place in the mitochondria? a) Glycolysis b) The kreb cycle c) The electron transport chain d) Oxidative phosphorylation 19) Ethanol is a product of which of the following processes? a) The citric acid cycle b) Homolactic menstruation c) Oxidative phosphorylation d) Alcoholic fermentation 20) What do stomata do? a) top carbon dioxide diffusing into leaves b) Allow oxygen to diffuse out of the leaves c) Allow carbon dioxide to diffuse out of the leaves d) none of the above 21) In cellular respiration what is the correct equation a) 602+C6H16O6+energy -> 6CO2+6H2O b) 6CO2+6H2O+energy->6O2+C6H12O6 c) 6O2+c6H12O6->CO2+6H2O+energy d) 6O2+C6H12O6+energy->6CO2+6H2O 22) the reactants of photosynthesis are changed into a) H2O, CO2, and energy b) C6H12O6 and O2 c) Energy and O2 d) C6H12O2 and H2O 23) What molecule is essential for aerobic respiration to take place? a) Nitrogen b) Oxygen c) Ethanol d) Carbon dioxide 24) What is the site of the light-dependent reactions? a) Stroma b) Thylakoids c) Chloroplast  d) e) Chlorophyll 25) What is found in a plant cell but not in an animal cell? a) Cell membrane b) Cytoplasm c) Chloroplasts d) Golgi apparatus

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