Leaf structure function

What is the name of the clear layer of cells (H) on top of the leaf?

• Cuticle

• Air space

• Guard cell

• Upper epidermis

Tags

NGSS.MS-LS1-2

The leaf has a shiny, waxy cuticle around it to

• increase the rate of photosynthesis
• attract more light
• control water loss
• stop carbon dioxide and oxygen gases escaping

The role of the guard cell is to

• help control the temperature of the plant
• control how much water enters the leaf
• control how much glucose is stored
• control the movement of water vapour & gases 

Tags

NGSS.MS-LS1-2

What is the name of the elongated, packed cells (part G) directly under the upper epidermis?

• Palisade cells

• Guard cell

• Spongy layer

• Lower epidermis

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

carries water and minerals from roots to other parts of the plant

• xylem 
• phloem
• stoma
• guard cell

What is photosynthesis?

• Water loss by a plant.
• When a photographer takes a photo.
• To get your pictures from the photo lab.
• The process in which plants make their food.

Tags

NGSS.MS-LS1-6

Which organelle from the plant cell is primarily responsible for converting sunlight to energy?

• Mitochondria
• Nucleus
• Vacuole
• Chloroplast

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

Most plants appear green because chlorophyll

• absorbs green light.
• absorbs violet light.
• reflects green light.
• does not absorb violet light.

Tags

NGSS.MS-LS1-6

Plants need ________ as a reactant for photosynthesis.

• oxygen
• soil
• carbon dioxide
• sugar

Tags

NGSS.MS-LS1-6

Carbon dioxide enters plant leaves through the __________.

• stomata
• chloroplasts
• xylem
• cuticle

Tags

NGSS.MS-LS1-6