Photosynthesis and Plant Structures

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Questions and Answers

Which of the following is NOT a product of photosynthesis?

  • Water ($H_2O$)
  • Oxygen ($O_2$)
  • Carbon Dioxide ($CO_2$) (correct)
  • Glucose ($C_6H_{12}O_6$)

What role does the stem play in photosynthesis?

  • Stems transport water from roots to leaves, crucial for photosynthesis. (correct)
  • Stems produce glucose during photosynthesis.
  • Stems absorb carbon dioxide from the atmosphere.
  • Stems contain the chloroplasts that carry out photosynthesis.

The chemical formula $H_2O + CO_2 \ \xrightarrow{sunlight/Chloroplast} \ O_2 + C_6H_{12}O_6$ represents:

  • Cellular Respiration
  • Photosynthesis (correct)
  • Decay
  • Combustion

What is the primary source of energy for photosynthesis?

<p>Sunlight (C)</p> Signup and view all the answers

Which of the following plant structures directly contributes to the process of gas exchange needed for photosynthesis?

<p>Stomata (B)</p> Signup and view all the answers

Flashcards

Photosynthesis

Process by which plants create glucose from CO2 and water using sunlight.

Chloroplast

Organelle in plant cells where photosynthesis takes place.

Stomata

Small openings on leaves for gas exchange during photosynthesis.

Photosynthesis Equation

Water + Carbon Dioxide → Glucose + Oxygen with sunlight.

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Role of Leaves

Site of photosynthesis, containing chloroplasts and stomata.

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Study Notes

Photosynthesis

  • Photosynthesis is a process where plants create glucose using sunlight, water, and carbon dioxide.
  • The purpose of photosynthesis is to create glucose.
  • The main products of photosynthesis are glucose and oxygen.
  • The main reactants of photosynthesis are water and carbon dioxide and sunlight.
  • This process occurs in the chloroplasts of plant cells.
  • Chlorophyll captures energy from the sunlight to help the process.
  • Leaves are the site of most photosynthesis in plants.
  • Stomata on leaves allow for the exchange of gases (carbon dioxide in and oxygen out).
  • Roots take in water and nutrients.
  • Stems transport water and nutrients from roots to leaves.

Plant Structures and Organelles

  • Chloroplasts contain chlorophyll, the pigment that captures sunlight.
  • Leaves are the primary sites of photosynthesis.
  • Roots absorb water and nutrients.
  • Stems support the plant and transport materials.
  • Cell walls provide support.

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