Photosynthesis Dark Reaction
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Questions and Answers

What is the result of the light reaction in photosynthesis?

  • Release of oxygen
  • Fixation of carbon dioxide
  • Production of ATP and NADPH (correct)
  • Production of glucose

Where does the dark reaction occur in the chloroplast?

  • Thylakoid membrane
  • Grana
  • Chloroplast envelope
  • Stroma (correct)

What is the role of ATP and NADPH in the Calvin cycle?

  • To fix carbon dioxide
  • To produce oxygen
  • To drive the reaction and convert CO2 into glucose (correct)
  • To produce ATP

What is the product of the Calvin cycle?

<p>Glyceraldehyde-3-phosphate (G3P) (C)</p> Signup and view all the answers

What is the purpose of stomata in plants?

<p>To capture carbon dioxide (A)</p> Signup and view all the answers

What is the outcome of photosynthesis in terms of its importance?

<p>All of the above (D)</p> Signup and view all the answers

What is the effect of increased light intensity on the rate of photosynthesis?

<p>It increases the rate of photosynthesis (B)</p> Signup and view all the answers

What is the ideal concentration range of carbon dioxide for efficient photosynthesis?

<p>300-400 PPM (B)</p> Signup and view all the answers

What is the temperature range at which photosynthesis occurs efficiently?

<p>25-35°C (D)</p> Signup and view all the answers

What is the consequence of water deficiency on photosynthesis?

<p>It leads to the closure of stomata to conserve water (D)</p> Signup and view all the answers

What is the byproduct of photosynthesis in certain bacteria?

<p>No oxygen as a byproduct (C)</p> Signup and view all the answers

What is the formula for the photosynthesis reaction?

<p>6CO2 + 6H2O → C6H12O6 + 6O2 (C)</p> Signup and view all the answers

What is the primary energy source required for photosynthesis?

<p>Solar energy (A)</p> Signup and view all the answers

What is the byproduct of the light-dependent reactions in photosynthesis?

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

In which part of the chloroplast do the light-independent reactions take place?

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

What is the process of fixing carbon dioxide into organic compounds in the Calvin cycle?

<p>Carbon fixation (A)</p> Signup and view all the answers

What is the end product of the Calvin cycle in photosynthesis?

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

What is the overall equation for photosynthesis?

<p>6CO2 + 6H2O —&gt; C6H12O6 + 6O2 (D)</p> Signup and view all the answers

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