1) What wavelength is best in the reaction centre of PSII? a) Peak at 680 b) Peak at 700 2) What does a high Rf value indicate?  a) That the pigment is more polar than most b) That the pigment is more soluble than most  c) That the pigment had a greater charge than most d) That the pigment has a high attraction for water molecules attached to cellulose 3) Which one of these chloroplasts is from a shade plant? a) Few grana, more chlorophyll a than b, low chlorophyll content b) Many grana, less chlorophyll a than b, high chlorophyll content 4) Signs of K+ deficiency in plants? a) Smaller leaves produced b) Reduced fruit production and flowers grown c) Chlorosis d) Flaccid leaves (opposite of turgid) 5) Where would you expect the peaks to be (approximately) on the absorption spectra for photosynthesis? a) 550nm and 800nm b) 350nm and 550nm c) 450nm and 650nm d) 250nm and 750nm 6) What are the 3 main limiting factors of photosynthesis?  a) Oxygen, temperature and light intensity  b) Carbon dioxide, temperature and light intensity  c) The pH of the air, temperature and light intensity d) Carbon dioxide, temperature and the speed of light 7) What are all of the products from cyclic phosphorylation? a) ATP, glucose and reduced NADP b) ATP, oxygen, reduced NADP and electrons c) ATP and reduced NADP d) ATP 8) What is ammonium used for in plants?  a) It's not used, it's toxic to plants b) As a defense mechanism against herbivores c) As a pH regulator for photosynthesis d) For the synthesis of proteins, nucleic acids and chlorophyll 9) Where does the light independant reaction occur?  a) Stroma b) Lamella c) Granum d) Thylakoid 10) What is not an adaptation of a chloroplast for photosynthesis? a) Ability to spin b) Large surface area c) Pigments chosen to camouflage with surroundings d) Pigments in 1 layer of thylakoid  11) What is waters purpose in photophosphorylation? a) Final electron acceptor b) A solvent c) Provide electrons 12) What is RuBP?  a) 5C sugar b) 6C sugar 13) What is formed by chemiosmosis? a) K+ b) Electrons c) ATP d) Reduced NADP 14) Which statement best describes the movement of protons during chemiosmosis?  a) Protons are pumped from the stroma into the thylakoid space b) Protons are pumped from the thylakoid space into the stroma c) Protons diffuse from the stroma into the thylakoid space d) Protons diffuse from the thylakoid space into the stroma 15) Which process involves the photolysis of water? a) The Calvin cycle b) Photophosphorylation

Photosynthesis

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