Plants

Question 1

What is the function of the palisade mesophyll layer?

Answer 1

The epidermis protects the leaf and is transparent to let light through.

Question 2

What is the function of the guard cells?

Answer 2

Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata.

Question 3

What is the function of the cuticle?

Answer 3

In addition to its function as a permeability barrier for water and other molecules

Question 4

Upper epidermis

Answer 4

This is a single layer of cells containing few or no chloroplasts.

Question 5

Palisade mesophyll cell

Answer 5

Palisade cells are plant cells located in leaves, right below the epidermis and cuticle.

Question 6

Spongy mesophyll cell

Answer 6

Palisade mesophyll cells are tall and closely packed to absorb maximum light. They contain many chloroplasts.

Question 7

Lower epidermis

Answer 7

The most important structure on a leaf’s lower epidermis is the mouth-shaped opening called the stoma.

Question 8

Stoma

Answer 8

Taking in oxygen is very important because it allows your cells to do things, like make energy from the food you eat.

Question 9

Vein

Answer 9

Veins provide support for the leaf and transport both water and minerals (via xylem) and food energy (via phloem) through the leaf and on to the rest of the plant