How Photosynthesis Contributes To Plant Growth By ________., Chapter 7 Flashcards

2) Photosynthesis contributes to plant growth by _____.A) taking in oxygen and making woodB) taking in carbon dioxide and making sugars (carbohydrates)C) synthesizing carbon dioxide and making celluloseD) converting sugar to oxygen and water

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3) Within the inner membrane of a chloroplast, interconnected sacs of membrane called ______ are suspended in a thick fluid called the ______.A) chlorophyll… thylakoidB) thylakoids… granaC) thylakoids… stromaD) grana… thylakoid
4) What is the function of stomata?A) water absorptionB) Calvin cycleC) location of photosystemsD) gas exchange
5) Through what structure(s) do plants obtain most of their water? A) rootsB) interior cellsC) stomataD) leaves
6) What name is given to the membranous sacs found within a chloroplast? A) stromaB) cristaeC) thylakoidsD) vesicles
7) What are grana? A) thick fluids inside chloroplastsB) convolutions of the inner chloroplast membraneC) stacks of membranous sacsD) pigments found in chloroplasts
8) If you provided your shade-tolerant plants with their preferred wavelength of light, but only minimal amounts of water, which of the following would you expect to occur?A) increased plant growthB) increased amounts of oxygen released by the plantsC) decreased amounts of ATP being produced by the plantsD) increased growth of the plants” leaves
9) Which of the following equations best summarizes photosynthesis? A) 6 CO2 + 6 H2O + 6 O2 → C6H12O6B) 6 CO2 + 6 H2O → C6H12O6 + 6 O2C) 6 CO2 + 6 O2 → C6H12O6 + 6 H2OD) C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
10) In photosynthesis, redox reactions ultimately transfer electrons from ______ to ______. A) O2… CO2B) C6H12O6… O2C) H2O… C6H12O6D) H2O… CO2
11) Which of the following is produced during the light reactions of photosynthesis? A) O2B) CO2C) C6H12O6D) ADP
12) The Calvin cycle requires ______ and ______ from the light reactions in order to operate.A) glucose… carbon dioxideB) electrons… NADHC) ATP… NADPHD) RuBP… NADP+

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13) The products of the light reactions of photosynthesis are ______. A) ATP and NADHB) ATP and NADPHC) RuBP and O2D) ATP and NADP+
14) The color that we see when looking at a pigmented object is ______.A) the wavelengths that are absorbed by the pigmentB) the wavelengths that are reflected or transmitted by the pigmented objectC) the wavelengths that have been raised to an excited state by the pigmented objectD) the wavelengths that the pigmented object created after interacting with sunlight
15) If a plant appears blue to us, what wavelength of light is being reflected?A) blueB) greenC) redD) yellow
16) The energy of wavelengths that appear ______ is least useful to photosynthesis. A) redB) greenC) blueD) orange
17) What is responsible for the yellow-orange coloration of leaves in the fall? A) RuBPB) chlorophyll aC) carotenoidsD) chlorophyll b
18) What is one reason why plants have accessory pigment molecules, like chlorophyll b and carotenoids?A) to reflect more energyB) to absorb energy in parts of the electromagnetic spectrum that chlorophyll a cannotC) to give them different colorsD) because plants cannot make enough chlorophyll a for all of their energy needs

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