Cell transport Xylem and Guard cells

Which two functions does xylem perform?

• support

• absorption

• contraction

• transport

Which two substances are needed for photosynthesis?

• Carbon dioxide

• Oxygen

• Water

• Glucose

Tags

NGSS.MS-LS1-6

The table shows four substances and the parts of the plant to which they are transported.

Which are examples of translocation?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS2-3

Which part of the leaf has air spaces to allow carbon dioxide to flow through the leaf and diffuse into cells.

• epidermis tissue

• palisade mesophyll

• spongy mesophyll

• xylem

In which order does water pass through the cells of a plant, as the water travels from the roots to a leaf?

• mesophyll cells → root hair → root cortex → xylem

• root cortex → root hair → xylem → mesophyll cells

• root hair → mesophyll cells → root cortex → xylem

• root hair → root cortex → xylem → mesophyll cells

Tags

NGSS.MS-LS2-3

Which equation is the photosynthesis equation?

• C₆H₁₂O₆ + O₂ --> CO₂ + H₂O

• C₆H₁₂O₆ + O_{2 +} CO₂ --> H₂O

• CO₂ + H₂O --> C₆H₁₂O₆ + O₂

• O₂ + CO₂ --> H₂O + C₆H₁₂O₆

Tags

NGSS.MS-LS1-6

What process allows carbon dioxide and oxygen to move into and out of a leaf?

• Osmosis
• Respiration
• Transpiration
• Diffusion

Tags

NGSS.MS-LS1-6

Recall what substance is used to thicken and strengthen xylem walls in woody plants.

• Protein

• Mineral ions

• Lignin

• Glucose

In what plant cell organelle does photosynthesis occur?

• Chloroplasts

• Mitochondria

• Nucleus

• Cell Wall

Tags

NGSS.MS-LS1-6

Recall what is dissolved in the water in the xylem.

• Glucose

• Amino acids

• Mineral ions

• Starch

Tags

NGSS.MS-LS2-3