Ch. 8 Practice Quiz

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1. Walls of the xylem are negatively charged and "pull up" the water by _____________ charged hydrogen atoms. 

Explanation

PT. 2: "Walls of xylem tubes are negatively charged and “pull” up the water molecules by the positively charged hydrogen atoms."

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Ch. 8 Practice Quiz - Quiz

Please type your name. All feedback is from Ch. 8 Pt. 1 or 2. Hope you find it helpful! <3 If you don't know, just guess; it will tell you the right answers and your score at the end. You can retake it as many times as you want. (There... see morewill be an option at the end to retake it. ) see less

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2. Sunlight energy is capture by...

Explanation

PT. 1: "They act like an antenna to absorb the light (photons of energy)."

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3. Identify whether the following are part of the light reactions or the Calvin Cycle.

Explanation

PT. 1: Light Reactions:


  • photon energy (sunlight) used to create ATP and NADPH

  • takes place in the thylakoids





Calvin Cycle:



  • light not needed

  • ATP and NADPH quickly used by RUBISCO (enzyme > speed up process) to stick CO2 and H2O together to make sugars

  • "takes place in the stroma in chloroplast (like cytoplasm)"


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4. Match the following with the appropriate photosynthetic process.

Explanation

Pt: 1

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5. Match the description with the appropriate cellular process.

Explanation

PT. 2: 

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6. Is this equation for aerobic or anaerobic? C6H12O6 + 6 O2  → 6 CO2 + 6 H2O + energy

Explanation

"Aerobic: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy"
Remember anaerobic has NO oxygen and uses ONLY glycolysis (process when there is no oxygen to get some ATP)

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7. Photosynthesis is a chemical process that uses light energy to stick carbon dioxide molecules together with water to make sugars.

Explanation

Pt. 1: "Photosynthesis is a chemical process that uses light energy to stick carbon dioxide molecules together with water to make sugars."

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8. Match the definitions with the appropriate term.

Explanation

PT. 2: "Active intake: phosphorus and potassium taken into root only by opening and closing special doors in the membrane, which takes energy (ATP) from the plant (low to high concentration)"

"Mass flow: carried in gravitational water (the nutrients are in the water that is going up)

"Diffusion: from areas of high to low concentration in soil water into the cell membrane of the roots (balances)

"Passive intake: water and nitrate flow easily into root cells under normal conditions"

"Interception: roots grow into areas of nutrient concentration (roots just happen to grow into an area with nutrients)"

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9. The oxygen produced during photosynthesis comes from the breakdown of carbon dioxide.

Explanation

Pt. 1: The equation for photosynthesis is 6CO2 + 6H2O —> C6H12O6 + 6O2 (or carbon dioxide and water > in the presence of sunlight > gives glucose and water) When the water breaks down(H2O), that's where the oxygen comes from (O2). I asked her what the carbon dioxide is for, and she said it's to make carbohydrates (or sugar in this case).

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10. Water and dissolved minerals move up the xylem of the plant via capillary action.

Explanation

PT. 2: "Water with dissolved minerals moves up xylem via capillary action"

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11. The organelle involved in cellular respiration is the mitochondria.

Explanation

PT. 2: "Takes place in cytoplasm and mitochondria"

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12. Fermentation is another name for anaerobic respiration.

Explanation

PT. 2: "Anaerobic (without air/oxygen) Cellular Respiration (fermentation)"

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13. Cellular respiration is the breakdown of ATP and occurs in all living cells.

Explanation

PT. 2: "Cellular Respiration = The breakdown of sugars to ATP (useable energy) (energy molecule)"

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14. Cellular respiration is the _____ of photosynthesis. (HINT: not the same but...)

Explanation

PT. 2: "Cellular respiration = The breakdown of sugars to ATP"

"Photosynthesis = making of sugar"

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Walls of the xylem are negatively charged and "pull up" the...
Sunlight energy is capture by...
Identify whether the following are part of the light reactions or the...
Match the following with the appropriate photosynthetic process.
Match the description with the appropriate cellular process.
Is this equation for aerobic or anaerobic? C6H12O6 + 6 O2...
Photosynthesis is a chemical process that uses light energy to stick...
Match the definitions with the appropriate term.
The oxygen produced during photosynthesis comes from the breakdown of...
Water and dissolved minerals move up the xylem of the plant via...
The organelle involved in cellular respiration is the mitochondria.
Fermentation is another name for anaerobic respiration.
Cellular respiration is the breakdown of ATP and occurs in all living...
Cellular respiration is the _____ of photosynthesis. (HINT: not...
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