Stomata and Guard Cells

Which structures open and close stomata to allow gas exchange but prevent water loss in leaves?

• Epidermis

• Vascular tissue

• Guard cells

• Spongy mesophyll

What's the function of the stomata? 

• Transports water 

• Absorbs CO2 and lets out O2

• Transports food and nutrients

Tags

NGSS.MS-LS1-6

Gasses are exchanged in the leaf through the

• guard cells

• roots

• vascular bundles

• stomata

Tags

NGSS.MS-LS1-6

- porous opening in the bottom of the leaf that allows for gaseous exchange

• Pallisade mesophyll

• Spongy mesophyll

• Stomata

• Vein

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The important gases, carbon dioxide and oxygen, enter and leave the leaf through the

• upper epidermis

• phloem

• stomata

• guard cells

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

what are the structures that open and close to let gases and water in and out called?

• chloroplasts

• stomata

• guard cells

• cell wall

Stomata are made of specialized cells called ______ which surround a tiny pore/opening

• stoma

• guard cells

• dermal cells

• diffusion channels

Tags

NGSS.MS-LS1-6

How does the stomata work?

• It helps transport sugars to the root cells.

• It helps to transport nutrients to the roots.

• It helps to exchange gases and water.

• It helps to conduct fermentation in the leaf.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the primary function of guard cells in plant leaves?

• To transport nutrients

• To open and close stomata

• To perform photosynthesis

• To absorb water

Tags

NGSS.MS-LS1-6

Which of the following conditions would cause stomata to close?

• High humidity

• Low light

• High carbon dioxide concentration

• High temperature

Tags

NGSS.MS-LS1-6