Structures and related functions of a plant leaf: Leaf structures for water regulation

Question 1

Are there many OR few stomata on the dorsal surface?

Answer 1

few

Question 2

What do the few stomata on the dorsal surface prevent?

Answer 2

excess water loss in direct sunlight.

Question 3

Are there many or few stomata on the ventral surface?

Answer 3

many

Question 4

Due to the many stomata on the ventral surface, what does this allow for?

Answer 4

maximum transpiration

Question 5

In addition to the opening and closing of the stomata in the regulatory mechanism, what other tissue now forms part of this mechanism? (when dealing with water regulation)

Answer 5

epidermis

Question 6

Within the regulatory mechanism, what do the stomata and epidermis help to regulate?

Answer 6

The movement of water vapour out of the plant.

Question 7

In the vascular system, from where to where to does the xylem transport water?

Answer 7

from the roots to parts of the leaf.

Question 8

What do intercellular spaces help to do?

Answer 8

they help move water vapour from the cells out of the leaf through spongy parenchyma.

Question 9

In the spongy parenchyma region of the mesophyll, what does the moist exchange surface help to do?

Answer 9

It helps quick evapouration of water from cells into intercellular spaces.

Question 10

What is the purpose of the thin part of the leaf?

Answer 10

for quick diffusion and movement of water through the leaf.

Question 11

What does the thick cuticle help to reduce/prevent?

Answer 11

water loss