23.4 Leaf Structure and Function Quiz

How does the structure of a leaf help make photosynthesis more efficient?

• By absorbing and holding more sunlight

• By reflecting sunlight away

• By storing water only

• By preventing gas exchange

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What is the main function of the blade in a leaf?

• To maximize the amount of light absorbed

• To store water

• To anchor the plant in the soil

• To transport nutrients to the roots

What is the function of the cuticle in the leaf epidermis?

• To limit water loss through evaporation

• To absorb sunlight

• To transport sugars

• To produce oxygen

Which tissue system in leaves is responsible for transporting water and nutrients?

• Vascular tissue

• Dermal tissue

• Ground tissue

• Mesophyll

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NGSS.MS-LS2-1

What is the main function of mesophyll in a leaf?

• To carry out photosynthesis

• To protect the leaf from insects

• To transport water to the roots

• To anchor the leaf to the stem

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How does the epidermis help protect the leaf?

• By forming a thick outer wall that resists tearing

• By producing sugars

• By absorbing carbon dioxide

• By storing water

Which part of the leaf is directly involved in the plant’s fluid transport system?

• Vascular tissue

• Dermal tissue

• Mesophyll

• Cuticle

What would be the effect if a leaf’s blade was not flat?

• It would absorb less sunlight

• It would store more water

• It would produce more sugars

• It would be more resistant to tearing

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NGSS.MS-LS1-6

How do stomata help maintain homeostasis in plants?

• By regulating gas exchange and water loss

• By absorbing sunlight

• By storing nutrients

• By producing wax

Which layer of cells in a leaf contains closely packed cells that absorb light?

• Spongy mesophyll

• Lower epidermis

• Palisade mesophyll

• Cuticle

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NGSS.MS-LS1-2

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