CC6_07_Test_Bank

Aittakesseveralminutesforthepigmentelectronstobecomeex

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Unformatted text preview: e least energy to photosynthesis? A) blue B) red C) violet D) orange E) green Answer: E Topic: 7.6 Skill: Application 30) Of the following wavelengths of light, which would you expect to be reflected or transmitted by chlorophyll a? A) blue B) green C) yellow D) orange 7 E) red Answer: B Topic: 7.6 Skill: Conceptual Understanding 31) Chlorophyll b and carotenoids A) are best at absorbing the energy of green light. B) are found at the reaction center. C) are located on the inner membrane of the chloroplast. D) pass absorbed energy to chlorophyll a. E) catalyze the incorporation of carbon atoms into RuBP. Answer: D Topic: 7.6 Skill: Factual Recall 32) Plant cells are protected from the harmful effects of oxygen radicals with A) NADPH. B) mitochondria. C) chlorophyll. D) carotenoids. E) ATP. Answer: D Topic: 7.6 Skill: Conceptual Understanding 33) A packet of light energy is called a A) quantum. B) pigment. C) photon. D) phaser. E) wavelength. Answer: C Topic: 7.6 Skill: Factual Recall 34) Which of the following statements about the absorption of photons by pigment molecules is true? A) It takes several minutes for the pigment electrons to become excited. B) Photons raise electrons in pigments to the ground state. C) Pigments only lose energy in the excitation process. D) Excitation of the electrons is a very stable state. E) The release of energy by the excited electron can be as heat, light, or fluorescence. Answer: E Topic: 7.7 Skill: Factual Recall 8 35) Which of the following photosynthetic pigments can be found at the photosystem reaction center? A) chlorophyll b B) chlorophyll a C) a carotenoid D) phycocyanin E) eosinophyll Answer: B Topic: 7.7 Skill: Factual Recall 36) Which of the following is a normal process of photosynthesis that could not occur if all reaction centers were inactivated by a toxin? A) donation of excited electrons by chlorophyll a to a primary electron acceptor B) donation of excited electrons by chlorophyll b to a primary electron acceptor C) absorption of photons by chlorophyll b D) reduction of chlorophyll b by a primary electro...
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This note was uploaded on 10/31/2012 for the course ENGI 1010 taught by Professor Dr.robert during the Fall '12 term at Dalhousie.

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