Photosynthesis and Leaf Structure Review

Which is the correct description of the photosynthesis reaction?

• When carbon dioxide reacts with oxygen to make glucose and water

• When glucose reacts with carbon dioxide to make water and oxygen

• When carbon dioxide reacts with water to make glucose and oxygen

• When glucose reacts with oxygen to make carbon dioxide and water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

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

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

• Palisade cells

• Guard cell

• Spongy layer

• Lower epidermis

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

What is the name of part F?

• Palisade cells

• Guard cell

• Spongy mesophyll layer

• Lower epidermis

Tags

NGSS.MS-LS1-2

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 

Which cells of a leaf undergo the MOST photosynthesis?

• Guard cells
• Palisade cells
• Epidermal cells
• Cells in the spongy layer

Tags

NGSS.MS-LS1-6

What is chlorophyll's main function?

• to control the movement of substances in and out of the cell

• to contain the genetic information for the cell

• to absorb light energy from sunlight for photosynthesis

• to help prevent water loss

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Plants need ________ as a reactant for photosynthesis.

• oxygen
• soil
• carbon dioxide
• sugar

Tags

NGSS.MS-LS1-6