Cells of a Leaf

What is the function of the upper epidermis in a leaf?

• Protects the leaf from damage

• Stores air for photosynthesis

• Controls the opening and closing of stomata

• Absorbs sunlight for photosynthesis

Where are chloroplasts primarily located in a leaf?

• Palisade mesophyll layer

• Spongy mesophyll layer

• Upper epidermis

• Lower epidermis

Tags

NGSS.MS-LS1-2

What is the main role of the stomata in the leaf?

• To absorb nutrients from the soil

• To capture sunlight

• To protect the leaf from insects

• To release oxygen and take in carbon dioxide

Tags

NGSS.MS-LS1-6

What do guard cells regulate in a leaf?

• The flow of nutrients

• The opening and closing of stomata

• The storage of air

• The absorption of light

Which layer of the leaf is described as having a spongy texture?

• Palisade mesophyll layer

• Upper epidermis

• Spongy mesophyll layer

• Lower epidermis

What pigment contained in chloroplasts is essential for photosynthesis?

• Keratin

• Hemoglobin

• Melanin

• Chlorophyll

Tags

NGSS.MS-LS1-6

Which layer of the leaf contains the stomata?

• Spongy mesophyll layer

• Palisade mesophyll layer

• Upper epidermis

• Lower epidermis

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

• Photosynthesis

• Regulation of gas exchange

• Water storage

• Protection from physical damage

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does the spongy mesophyll layer aid in photosynthesis?

• By storing excess water

• By facilitating gas exchange

• By blocking sunlight

• By protecting the leaf from insects

Tags

NGSS.MS-LS1-6

Which part of the leaf is primarily responsible for absorbing light energy?

• Lower epidermis

• Stomata

• Palisade mesophyll layer

• Spongy mesophyll layer

Tags

NGSS.MS-LS1-6