Plant Physiology - Photosynthesis Questions and Answers

Neth Cellular respiration H O NADH Oxygen in H NADH Pynner 000 000 Krebs cyde ATP CO Oxidative phosphorylation Cytoplasm FADH and NADH Outer mitochondrial membrane trix Intermembrane space 415 Match each of these steps in respiration with the reduced product s formed in each case In other words what molecule ends up with the electrons after each step Drag each item on the left to its matching item on the right Inner mitochondrial membrane Matrix glycolysis oxidative phosphorylation lo Question I know You can g 100 points Acti View Ac 1 Cur 1 Yous been Questic

Chapter 5 Page s 91 92 5 1 Explain how photosynthesis and cellular respiration support life on Earth Which of the following statements is are true and which is are false True Drag appropriate answer s here Photosynthetic organisms don t undergo cellular respiration There are both eukaryotic and prokaryotic photosynthesizers Photosynthetic organisms use ATP Photosynthetic organisms build glucose molecules Prokaryotic organisms breathe and undergo cellular respiration There would be no life on Earth without photosynthesis propriate answer s here

ePage s 95 96 5 5 Label a diagram of the light dependent and the light independent reactions of photosynthesis Electrons from the high energy electron donor NADPH get donated to which compound Click on the correct answer Water Oxygen Light Click or tap the appropriate place in the image Thylakoid membrane 1000 ATP NADPH NADP ADP Carbon dioxide Calvin cycle Glucose

Which of the following use up energy Correct Answer s building chemical bonds photosynthesis breaking chemical bonds Drag appropriate answer s here anabolic processes catabolic processes Drag appropriate answer s here

Which of the following is are necessary components of photosynthesis Correct Answer s chlorophyll chloroplasts light energy Incorrect Answer s oxygen Calvin cycle water

What should you do as you approach a curve in the road O Shift your weight behind the wheel O Put on your four way flashers Reduce your speed before you enter the curve

Write the names of the reactants and products of photosynthesis and chemosynthes Light Energy Chemical Energy

6 4 Which of the following processes removes carbon from the air and uses 1 poi it to make organic compounds O combustion decomposition photosynthesis respiration

2 4 Which of the following substances is used by plants as a reactant in photosynthesis Oglucose O carbon dioxide O oxygen O pyruvic acid

Listen Carbon dioxide is split to form oxygen gas and carbon compounds in which of the following metabolic pathways only photosynthesis only respiration Ophotosynthesis and respiration neither photosynthesis nor respiration

During graduate school I identified a mutation in a gene in fruit flies we named the gene sugar free frosting that encodes an enzyme called SAD kinase What type of reaction does this enzyme catalyze Selected answer will be automatically saved For keyboard navigation press up down arrow keys to select an answer a b C SAD kinase dephosphorylates its substrate SAD kinase phosphorylates its substrate SAD kinase s substrate and product are isomers of each other

What is the function of a thioester intermediate such as the one formed from Glyceraldehyde 3 phosphate Selected answer will be automatically saved For keyboard navigation press up down arrow keys to select an answer a b C The thioester prevents the formation of metabolically unfavorable side products e The thioester shifts the equilibrium of the first stage of the reaction The thioester intermediate induces a conformational change that alters the enzyme specificity d It speeds up the actual reaction so that more product can be made The thioester allows the two step reaction to be coupled so the second reaction the energetically unfavorable phosphorylation can proceed

Question 7 1 poin The energy of movement of electrons down the electron photosystem I is used to generate OATP NADPH CO2 02

Question 5 1 point 4 Listen All of the following molecules are necessary components of photosynthetic process except ATP NADPH oxygen carbon dioxide

Question 4 1 point 4 Listen Specifically molecules of chlorophyll are located in the membranes of Ostoma Othylakoids stroma Ograna vesicles Previous Page Next Page Pag

Which of the following correctly describes the work done by Hershey and Chase DNA was labeled with 32p RNA was not included in this experiment Proteins were labeled with 355 When DNA was labeled the pellet at the end was radioactive Capsids did not enter the bacterial cells

Part A Fill in the blanks of the following paragraph Match the numbers in the left column to the appropriate blanks in the sentence on the right Not all numbers will be used Submit 3 Provide Feedback 6 9 12 18 36 Request Answer Reset Help To synthesize one glucose molecule the Calvin cycle uses molecules of molecules CO of ATP and molecules of NADPH

Chlorophyll can be found in D O O B Submit B and E A and C B and D B and C A and B Previous Answers Request Answer X Incorrect Try Again One attempt remaining This choice is partially correct

Part A Light H O Light Reactions Qubmit NADP ADR NADPH CO Calvin Cycle Select the correct statement about the Calvin cycle Request Answer CH O sugar The Calvin cycle has three phases carbon fixation reduction and regeneration of RuBP The basic function of the Calvin cycle is the conversion of solar energy to chemical energy The Calvin cycle takes place primarily in the dark

Part Redox reactions of photosynthesis In photosynthesis a redox compound that is produced in the light reactions is required to drive other redox reactions in the Calvin cycle as shown in this figure along with other components of photosynthesis H O co chloroplast Light reactions NADP NADPH ATP Drag the terms to the appropriate blanks to complete the following sentences summarizing the redox reactions of photosynthesis Terms may be used once more than once or not at all View Available Hint s ADP H O CO 0 NADP ADP 6 CH ATP two NADPH Calvin cycle G3P sugar 1 In the light reactions light energy is used to oxidize to Reset Help 2 The electrons derived from this oxidation reaction in the light reactions are used to reduce 3 The Calvin cycle oxidizes the light reactions product to to 4 The electrons derived from this oxidation reaction in the Calvin cycle are used to

A D splits water into 1 2 0 H and e D B C Em B C E

Part D Chloroplast structure and function In eukaryotes all the reactions of photosynthesis occur in various membranes and compartments of the chloroplast Identify the membranes or compartments of the chloroplast by dragging the blue labels to the blue targets Then identify where the light reactions and Calvin cycle occur by dragging the pink labels to the pink targets View Available Hint s envelope membranes thylakoid membrane thylakoid space cytosol stroma location of light reactions location of Calvin cycle Group 1 Group 2 Group 1 Group 1 Cress Group 2 Group 1 Group 1 Reset Help

m the following choices identify those that are the inputs and outputs of the Calvin cycle ng each item to the appropriate bin If the item is not an input to or an output from the Calvin cycle drag it to the not input or output bin Wiew Available Hint s input CO G3P light glucose output NADP NADPH ATP not input or output ADP Reset Help

Listen Plants that have inconspicuous flowers and produce massive amounts of pollen are usually pollinated by birds bees wasps butterflies moths wind Question 23 1 point Listen The advantages of the reduced gametophytes in seed plants include from ultraviolet radiation gain of nutrients from its own drying out ophyte

Organisms that photosynthesize perform cellular respiration A still need to B do not need to C are unable to D still use chloroplasts to

Which of these is NOT a name for the final stage of photosynthesis A The Calvin Cycle B The light independent reaction C The carbon fixation cycle D Substrate level phosphorylation

The type of photophosphorylation that offers the biggest energy pay off is non cyclic photo phosphory lation B cyclic photo phosphory lation substrate level photo phosphory lation

The first photosystem in the thyalkoid membrane is called A photosystem II C p700 B photosystem I D numero uno

A Most of the cholorplasts are on the underside of the leaf otherwise and other environmental factors could affect them light pollution B wind H O

Which of the following is NOT a part of photosynthesis A Photolyses C Oxidative phosphorylation B Carbon fixation D Light reactions

A The key result of the Citric Acid Cycle is load the shuttle buses NADH and FADH to carry to final stage of cellular respiration neutrons B electrons C protons

A 6CO2 6H O C6H12O6 602 Which molecule s in the reaction above is are processed in the chloroplast 6H O and CO2 B C6H12O6 and CO2 C C6H12O6 and O2

Which of the following is the proper summary equation for photosynthesis C6H12O6 CO2 in the presence of light and chlorophyll produces H O 0 OH O CO in the presence of light and chlorophyll produces C6H12O6 O2 H O CO in the presence of light and chlorophyll produces C6H12O6 O H O CO produces C6H12O6 O H O

Organization for Matter and Energy Flow in Organisms Question 10 What is carbon fixation Select one 80 O A process that happens during the light reactions It s when energy is captured in sunlight then used to convert NADP to NADPH O A process that happens during the Calvin cycle It s when nitrogen from amino acids is added to an existing nitrogen molecule O A process that happens during the Calvin cycle It s when carbon from carbon dioxide is added to an existing carbon molecule to build a glucose molecule A process that happens during the light reactions It s when energy is captured in sunlight then used to convert ADP to ATP

Which of the following result from producers performing photosynthesis Select all correct answers a oxygen is produced b carbon dioxide is transferred back to the atmosphere c energy is transferred from sunlight to consumers d carbon is cycled through the biosphere

A mangroves C ginkos high salinity B cypress D oaks

Choose all that apply De Organization for Matter and Energy Flow in Organisms Question 6 Which statement correctly describes the Calvin cycle 81 The cycle can function in the dark It does not need sunlight to function 0 The cycle turns multiple times to allow one sugar molecule to exit it The cycle breaks down a sugar molecule to produce carbon dioxide The cycle captures energy from the sun and converts it to ATP

08 Choose all that apply De 18 Organization for Matter and Energy Flow in Organisms Qu Which statements about starch are correct De 0 It is made of glucose monomers 201 It is broken down to form amino acids 200 Plants use it to store energy in the form of glucose It is a carbohydrate

De Cycles of Matter and Energy Transfer in Ecosystems Question 10 Which example describes how carbon moves from the atmosphere to the hydrosphere Select one 1 O De O O Decomposers under the ocean consume dead organisms and release carbon dioxide Some fish carry out cellular respiration to break down glucose molecules Some of the carbon dioxide in the air gets dissolved in the oceans Some underwater plants carry out photosynthesis to produce glucose

Question 2 Fil In The Blank Worth 4 points 10 W m impacts a surface and only 3 W m is reemitted back what is the surface s albedo as a perce umerical Answers Expected nswer for Blank 1

The oxygen produced by photosynthetic plants comes most directly from O water O air a mixture of gases glucose O carbon dioxide

PHOTOSYNTH Directions Read each question and circle the correct answer Then color the picture using the colors that correspond to each correct answer You may color unnumbered sections of the picture any color you like Question 1 The process by which cells capture energy from the sun and convert it into food is known as what 2 Plants use sunlight to convert carbon dioxide and water into oxygen and what other product 3 In which cell organelle does photosynthesis occur 4 The green color of a plant comes from which pigment 5 What is the source of energy for photosynthesis 6 The tiny openings on the underside of a leaf that help plants take in CO are known as what 7 What structure contains the chlorophyll that is used to absorb light 8 Which of the following is NOT required for photosynthesis to take place The oxygen released during hotosynthesis comes from where What happens to the sugar that ants make during photosynthesis Which statement is FALSE Which statement is TRUE Choice A cellular respiration yellow nitrogen yellow chloroplast dark green chlorophyll orange soil purple thylakoid membranes pink chloroplast orange sunlight yellow glucose pink It is stored as starch for later use light green Photosynthesis takes place in autotrophs orange Photosynthesis takes place primarily in plant leaves sky blue Choice B photosynthesis green chlorophyll dark green nucleus light green carotene red sunlight green chloroplasts dark green thylakoid red water pink water light purple It evaporates through the stomata sky blue Oxygen is a product of photosynthesis pink Plants obtain their food from the soil yellow Choice C diffusion light green glucose light green mitochondria green anthocyanin brown glucose yellow stomata light green stroma sky blue oxygen purple sunlight yellow It returns to the soil pink Photosynthesis takes place in the nucleus of plant cells green Photosynthesis only occurs in plants brown Morpho Science

The structure of a chloroplast is closely tied to its function as the site of photosynthesis chloroplast From Biology by Campbell and Reece 2008 Pearson Education Inc Some of the following statements are true for chloroplasts others are true for mitochondria Which statements are true for chloroplasts Select the three that apply View Available Hint s 0 0 They have membranous sacs called thylakoids that are surrounded by a fluid called stroma They are the sites of reactions that convert chemical energy from food molecules to ATP They are the sites of reactions that convert solar energy into chemical energy They contain the green pigment chlorophyll Their inner membrane has infoldings called cristae Their matrix contains enzymes that function in cellular respiration Submit

TEST IT Plant Tissues Which statement describes an interaction of the tissues shown here M Section through stem apex 1 of 4 QUESTIONS Vascular tissue uses carbon dioxide to carry out photosynthesis Ground tissue divides rapidly by mitosis and produces new cells

3 Select the correct terms to complete the statement ATP thylakoids chlorophyll chloroplasts electrons Light energy is absorbed by of found in the membranes which are saclike The light structures inside energy excites which are used to make NADPH Energy from this process is used to make Carbon dioxide and energy are used to make sugars which the plant stores or uses for energy

What criteria and constraints are associated with using photosynthesis to generate energy on a large scale for human use

Land plants cannot rely on to obtain water they must transport water through a root system A turgor pressure B osmosis C transpiration D active transport

Land plants cannot rely on simple diffusion for the circulation of water and nutrients they have xylem and A phloem B suberin C osmosis Tieni

B I 9 U S X x I a Organisms with low C value ate mostly C3 plants 8 2 S I lo If the 813C values generally range between 24 00 and 32 00 for plants using the C3 pathway and between 10 00 and 14 00 for plants using the C4 pathway what can you surmise about the diets of species with low and high ratios

One of the major concerns about climate change is the excess amounts of carbon being re leased into the Earth s atmosphere Although the release of carbon has significantly in creased in the past 100 years there are natural processes in which carbon can be se questered from the atmosphere Which of the following is a natural process that promotes carbon sequestration A B C D photosynthesis by algae burning fossil fuels volcanic eruption methane from cattle