Chloroplast Definition and Functions

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Questions and Answers

What is the main function of a chloroplast?

  • Producing ATP (correct)
  • Storing food
  • Breaking down wastes
  • Creating pigments

Which statement about chlorophyll is correct?

  • It is a waste product of chloroplasts.
  • It gives leaves their red color.
  • It is found in leucoplasts.
  • It is present in the grana of chloroplasts. (correct)

What differentiates chromoplasts from chloroplasts?

  • Lack of pigments
  • Presence of chlorophyll (correct)
  • Involvement in ATP production
  • Location within plant leaves

In which part of plant leaves are chloroplasts typically found?

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

What is the main structural difference between proplastids and mature plastids?

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

Why do chloroplasts give leaves their green color?

<p>Presence of the pigment chlorophyll (C)</p> Signup and view all the answers

What is the primary role of thylakoids in chloroplasts?

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

What is the main function of a chloroplast?

<p>Converting sunlight into energy (B)</p> Signup and view all the answers

Where does photosynthesis begin in a chloroplast?

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

Which part of the chloroplast contains lumen and chlorophyll?

<p>Thylakoids (D)</p> Signup and view all the answers

What is the role of stroma lamellae in a chloroplast?

<p>Connect grana to each other for light capture (B)</p> Signup and view all the answers

What is the main purpose of chlorophyll in a chloroplast?

<p>Convert light energy into chemical energy (A)</p> Signup and view all the answers

Where does the light-dependent part of photosynthesis occur in a chloroplast?

<p>In the thylakoid membrane (D)</p> Signup and view all the answers

What is unique about algal chloroplasts compared to plant chloroplasts?

<p>Algal chloroplasts have a greater variety of shapes (B)</p> Signup and view all the answers

What happens in the stroma of a chloroplast during photosynthesis?

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

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