2015 Biology Unit #3 Quiz 1 Photosynthesis, Cellular Respiration and Fermentation Week of November

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1 Name: Class: Date: 2015 Biology Unit #3 Quiz 1 Photosynthesis, Cellular Respiration and Fermentation Week of November 1 Which of the following statements is true for all cells? a They use solar energy b They use photosynthesis c They use chemical energy d They use chemosynthesis 2 Energy is released from an ATP molecule for cellular processes when it a has a phosphate group removed b stores an extra phosphate group c converts a phosphate group to ADP d produces a sugar molecule 3 Which of the following statements best describes the process of photosynthesis? a Plants use oxygen to make simple sugars b Chlorophyll builds sugars in the thylakoid membrane c Light breaks down water molecules and releases carbon dioxide d Chloroplasts absorb sunlight and store chemical energy 4 What is the term for an organism that makes its own source of chemical energy? a decomposer b producer c chloroplast d protist 5 The main light-absorbing molecules found in plant leaves are called a chloroplasts b thylakoids c chlorophyll d grana 6 The function of the light-dependent reactions is to a build sugars b capture and transfer energy c release carbon dioxide d form water molecules 7 The light-independent reactions of photosynthesis need a carbon dioxide b oxygen c water d cellulose 8 Which of the following takes place in the light-dependent reactions of photosynthesis? a Sugars are made b Energy is captured c Chlorophyll is pumped d CO 2 is formed 9 Where do the hydrogen ions for the photosystems of the light-dependent reactions come from? a sugars b sunlight c acids d water 1

2 Name: 10 Which phrase best describes the electron transport chain in photosynthesis? a a chain of photosynthetic proteins located in the stroma b a collection of enzymes used to make ADP c a series of proteins located in the thylakoid membrane d a group of enzymes that carries energy to the Calvin cycle 11 In the light-independent reactions of photosynthesis, a CO 2 enters the Calvin cycle and sugars are made b H 2 O is broken down and oxygen is released c NADPH is produced and transferred to photosystem I d electrons are energized and used to pump H ions 12 What is the relationship between the photosystems and the Calvin cycle? a The photosystems produce ATP synthase for the Calvin cycle b The photosystems transfer hydrogen ions and carbon dioxide to the Calvin cycle c The photosystems transfer energy to the Calvin cycle through ATP and NADPH d The photosystems build sugars with the carbon dioxide produced by the Calvin cycle 13 What molecule carries chemical energy that cells use for their functions? a ADP b ATP c NAD d NADP 14 Which of the following molecules found in the food we eat is most commonly broken down to make ATP? a carbohydrates b lipids c proteins d vitamins 15 Which of the following directly provides the energy needed for cell functions? a A phosphate group is removed from ATP b ADP loses a phosphate group c Electrons are passed to proteins d Oxygen picks up electrons 16 The water molecules labeled A in Figure 41 are going to the thylakoids to take part in which process? a light-dependent reactions b Krebs cycle c Calvin cycle d light-independent reactions 2

3 Name: 17 Which of the following is a reactant in photosynthesis? a O 2 b C 6 H 12 O 6 c CO 2 d COOH 18 Where in plant cells are the energy-absorbing molecules for photosynthesis located? a stroma b thylakoids c ATP synthase d mitochondria 19 Which of the following can be used to measure the rate of photosynthesis? a light intensity (%) c temperature b oxygen production (ml/hr) d CO 2 level 20 A scientist wants to determine the best light wavelength for growing plants He grows plants in four test groups as shown in the table below What, if anything, was wrong with the experiment? a He should only grow one plant in each group b He should only change the wavelength of light for each group c He should add a control group with a CO2 level of zero ppm and a light intensity of zero percent d There is nothing wrong with the experiment 3

4 Name: 21 According to the graph below, what temperature will result in the highest rate of photosynthesis? a 5 C c 30 C b 40 C d 25 C 22 Which of the following types of organisms uses cellular respiration for their cellular energy needs? a eukaryotes b plants only c animals only d prokaryotes 23 Which process breaks down sugars to make ATP when oxygen is present? a anaerobic respiration b cellular respiration c glycolysis d photosynthesis 24 The part of cellular respiration in which glucose is broken down is called a photosynthesis b aerobic respiration c electron transport d glycolysis 25 Two products of the Krebs cycle are a H 2 O and CO 2 b ATP and CO 2 c ATP and O 2 d ADP and H 2 O 26 What provides the electron transport chain in cellular respiration with the energy it needs to function? a ATP synthase b glycolysis c chlorophyll d Krebs cycle 4

5 Name: 27 Which of the following statements best describes cellular respiration? a Sunlight and carbon dioxide are used to make ATP b ATP and oxygen are used to make sugars and starches c Carbon-based molecules from food and oxygen are used to make ATP d ATP and carbon dioxide are used to make ADP and water 28 Which of the following are end products of glycolysis? a two three-carbon molecules, ATP, and NAD b carbon dioxide, water, and ATP c NAD, oxygen, and two ATP molecules d pyruvate, NADH, and ATP 29 Which phrase best describes the main role of fermentation? a converts glucose into pyruvate and NADH b produces lactic acid to counteract an oxygen deficit c allows glycolysis to continue making a small amount of ATP d allowing anaerobic production of ADP 30 Which phrase about fermentation is correct? a takes place without oxygen b uses electron transport chain c only occurs in bacteria d is an aerobic process 31 Which end product of fermentation causes the burning feeling in muscles that are working hard? a carbon dioxide b pyruvate c alcohol d lactic acid 32 Why does a runner breathe hard for a few minutes after finishing a race? a The runner's cells need oxygen to make lactic acid b The runner's cells continue the fermentation process c The runner's cells are making up for an oxygen deficit d The runner's cells cannot perform glycolysis 33 Which end product of alcoholic fermentation is important in the baking industry? a lactic acid b carbon dioxide c ATP molecules d alcohol 5

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