Understanding Photosynthesis

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Questions and Answers

What is the primary role of chlorophyll in photosynthesis?

  • To trap light energy. (correct)
  • To convert carbon dioxide into glucose.
  • To transport water from the roots to the leaves.
  • To release oxygen into the atmosphere.

In the process of photosynthesis, which two substances are combined using light energy to produce glucose?

  • Oxygen and water
  • Carbon dioxide and oxygen
  • Water and chlorophyll
  • Carbon dioxide and water (correct)

Which of the following is NOT a direct input or requirement for photosynthesis to occur?

  • Glucose (correct)
  • Chlorophyll
  • Water
  • Carbon dioxide

What are the two main products of photosynthesis that are essential for many forms of life?

<p>Glucose and oxygen (D)</p>
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If a plant is placed in an environment with abundant light, equal amounts of Chlorophyll and sufficient water, but is deprived of carbon dioxide, what will most likely happen?

<p>Photosynthesis will slow down or stop. (D)</p>
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In the symbolic equation for photosynthesis ($6CO_2 + 6H_2O \longrightarrow C_6H_{12}O_6 + 6O_2$), what does $C_6H_{12}O_6$ represent?

<p>Glucose (C)</p>
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Apart from glucose, which other compound is produced during photosynthesis, and what is its significance?

<p>Oxygen, essential for respiration (D)</p>
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If a plant cell lacks chlorophyll, how would its ability to perform photosynthesis be affected?

<p>Lacking chlorophyll, it cannot trap light energy, thus impeding the efficiency of photosynthesis. (A)</p>
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How would increasing the concentration of carbon dioxide around a plant typically influence the rate of photosynthesis, assuming all other factors are optimal?

<p>It would increase the rate of photosynthesis up to a certain point. (C)</p>
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Which of the following best describes the energy transformation that occurs during photosynthesis?

<p>Light energy is converted into chemical energy. (C)</p>
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Flashcards

What is photosynthesis?

The process where light energy trapped by chlorophyll converts carbon dioxide and water into glucose and oxygen.

Photosynthesis (word equation)

Carbon Dioxide + Water becomes Glucose + Oxygen, using light and chlorophyll.

Photosynthesis (symbol equation)

6CO2 + 6H2O becomes C6H12O6 + 6O2, using light and chlorophyll.

What is chlorophyll?

A green pigment in plants that captures light energy for photosynthesis.

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What is glucose?

A type of sugar produced during photosynthesis; it's a plant's primary source of energy.

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Study Notes

  • Photosynthesis is the process where light energy, captured by chlorophyll, transforms carbon dioxide and water into glucose and oxygen.

Word Equation for Photosynthesis

  • Carbon dioxide plus water, in the presence of light and chlorophyll, yields glucose and oxygen.

Symbol Equation for Photosynthesis

  • 6CO2 + 6H2O, with light and chlorophyll, produces C6H12O6 + 6O2.

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