Georgia Military College BIO 123  Pathways of Photosynthesis Quiz: Grade 9.33 out of 10.00 (93%)

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Home / My courses / 19WNCMP BIO-123-20103 / Week 3 / Pathways of Photosynthesis Quiz Started on Sunday, February 3, 2019, 9I20 PM State Finished Completed on Sunday, February 3, 2019, 9I43 PM Time... taken 22 mins 27 secs Marks 14.00/15.00 Grade 9.33 out of 10.00 (93%) Question 1 Question 2 What process occurs outside of the Calvin Cycle? Select one: a. NADPH into NADP+ b. Carbon dioxide reduction c. Electron transport ! d. RuBP regeneration e. Carbon dioxide fixation What would be the result if the thylakoid membrane was highly permeable to hydrogen ions? Select one: a. Chemiosmosis would occur more rapidly b. ATP synthesis would be greatly enhanced c. ATP synthase complexes would not work ! d. Water would not be split in the light reactions e. The electron transport chain would function more efficiently http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2085367&cmid=3004721 3/11/19, 4F29 PM Page 1 of 7 Question 3 In Mark 0.00 out of 1.00 Question 4 Question 5 Using the figure above of a cross section of a plant leaf, identify "d". Select one: a. mesophyll b. stoma c. vein d. upper epidermis e. cuticle " What is the major advantage of the CAM pathway? Select one: a. oxygen conservation b. adaptation for wet conditions c. adaptation for cool temperatures d. that it allows the plant to keep its stomata open during the day e. water conservation ! http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2085367&cmid=3004721 3/11/19, 4F29 PM Page 2 of 7 Question 6 Question 7 What are the flattened sacs within the chloroplast? Select one: a. chlorophylls b. stomata c. thylakoids ! d. stroma e. mesophylls What type of plant would have the greatest advantage when oxygen supply is limited? Select one: a. C3 b. annual c. short d. C4 ! e. non-green Which of the following molecules helps prepare for the Calvin cycle, but does not participate in it? Select one: a. chlorophyll ! b. NADPH c. ATP d. RuBP e. G3P http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2085367&cmid=3004721 3/11/19, 4F29 PM Page 3 of 7 Question 8 Question 9 Question 10 e. G3P Electrons move from photosystem II to photosystem I via the _(blank) _. Select one: a. Electron Transport Chain ! b. Reaction Center c. Electron Acceptors d. Pigment Complexes e. Calvin Cycle What would be the result of a photosystem containing no antenna molecules? Select one: a. Carbohydrate synthesis would increase b. The chloroplast would synthesize more ATP c. The Calvin cycle would fix carbon dioxide more rapidly d. More oxygen would be released from the splitting of water e. No reaction center electrons could become excited ! Question 11 Question 12 Looking at the figure above, indicate what “a” represents. Select one: a. oxygen b. water c. glucose d. carbon dioxide ! e. ATP What organism(s) use(s) organic molecules produced by photosynthesis? Select one: a. Autotrophs only b. Heterotrophs only c. Heterotrophs and autotrophs ! d. Only plants and algae e. Only animals http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2085367&cmid=3004721 3/11/19, 4F29 PM Page 5 of 7 Question 13 Question 14 Which of the following statements is true about a molecule that has been reduced? Select one: a. It has lost electrons b. The number of electrons in the molecule has stayed the same c. It has lost oxygen d. It has gained electrons ! e. It has gained oxygen Which of the following is not a true statement regarding photosynthesis? Select one: a. They need light to work b. They occur on the surface of the thylakoid membrane c. They use water and pigment molecules d. They occur in the chloroplast e. They occur in the stroma of the chloroplast ! What color would be lost from leaves if chlorophyll were altered to absorb green light? Select one: a. blue ! b. orange c. yellow d. red Question 15 Why do deciduous leaves turn red and yellow in the fall? Select one: a. Chlorophyll is converted into bright carotenoid pigments b. When chlorophyll breaks down, the red and yellow pigments which are already present become visible ! c. It is a chemical reaction involving the formation of ice crystals d. Bright pigments are shifted up from the roots while chlorophyll moves down e. Red and yellow pigments can only be made when temperatures are cool [Show More]

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