SAFOLO — 2h.3 — Transport in Plants

Question 1

Main substances transported around a plant?

Answer 1

Water, nutrients and minerals

Question 2

How does water move in and out of plant cells?

Answer 2

Osmosis. A partially permeable cell membrane.

Question 3

• Xylem structure/features
• what is transported?
• direction of movement

Answer 3

• Dead cells (Lignin) — strength to keep the stem up. Osmosis. No energy required. Impermeable to water
• Water and dissolved minerals
• From the roots to the leaves

Question 4

• Phloem structure/features
• what is transported?
• direction of movement

Answer 4

• Has living cells (sieve tubes) — active transport. Respiration energy.
• Sugar/glucose
• All over the plant.

Question 5

Phloem?

Answer 5

transports sucrose and amino acids to from leaves to roots, fruits and seeds

Question 6

Xylem?

Answer 6

transports water from roots to stems and leaves