Plants chapter 4

Question 1

What is the function of the upper epidermis cells?

Answer 1

The upper epidermis cells contain no chloroplasts and are transparent to allow light to penetrate into the leaf

Question 2

What is the function of the palisade layer cells?

Answer 2

The palisade layer cells are packed tightly together near the top of the leaf to collect as much sunlight as possible, they contain many chloroplasts and photosynthesis takes place in these cells

Question 3

Spongy mesophyll layer

Answer 3

The spongy mesophyll cells contain air spaces to allow the movement of gases for ex carbon dioxide and oxygen throughout the air

Question 4

Stoma

Answer 4

The stoma helps regulate the movement of gases into and out of the leaf

Question 5

Lower epidermis

Answer 5

The stomata are found in the lower epidermis besides the guard cells in this layer contain no chloroplasts

Question 6

Process that plants absorb water

Answer 6

Diffusion/osmosis