Question 1
Which part of a leaf contains the most chloroplasts?
- Upper epidermis
- Palisade mesophyll
- Spongy mesophyll
- Guard cells
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Answer: B (1)
Question 2
What is the main function of the guard cells?
- to absorb light
- to open and close the stomata
- to carry water to the leaf
- to store starch
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Answer: B (1)