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Biology: Chloroplast Structure and Photosynthesis

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Questions and Answers

What is the main function of the palisade mesophyll layer in a leaf?

To absorb light efficiently (correct)
To store water
To regulate temperature
To facilitate gas exchange

What is the purpose of the thin layer of water covering spongy mesophyll cells?

To absorb light
To facilitate gas exchange (correct)
To regulate temperature
To prevent water loss

What is the function of guard cells in stomata?

To regulate gas exchange (correct)
To store water
To absorb light
To produce glucose

Where do light-dependent reactions take place in a chloroplast?

In the thylakoid (B) Signup and view all the answers

What is the importance of sunlight in photosynthesis?

It drives the light-dependent reactions (A) Signup and view all the answers

What would happen if sunlight is not available for photosynthesis?

Photosynthesis would stop (D) Signup and view all the answers

What is the purpose of stomata in plant leaves?

To facilitate gas exchange (C) Signup and view all the answers

Where do light-independent reactions take place in a chloroplast?

In the stroma (B) Signup and view all the answers

What is the role of chloroplasts in plant cells?

To capture light energy (A) Signup and view all the answers

Why are chloroplasts essential for the ecosystem?

They produce oxygen (D) Signup and view all the answers

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