Plants

Question 1

What are the two main systems in a plant? What is the difference?

Answer 1

Root and shoot. Root is under the soil surface, and shoot is above the soil.

Question 2

What is the plant equivalent of stem cells? Where are they mainly found?

Answer 2

Meristematic cells. Found near the tips of roots and stems, allowing cell division of these cells to differentiate into whatever cell tissue type it needs to be.

Question 3

What are the three types of plant tissue?

Answer 3

Dermal, Ground, Vascular.

Question 4

What is dermal tissue? Where is it found and what is its function?

Answer 4

It is the outside skin layer. It is the outer coating to all parts of the plant.

Question 5

What is ground tissue, where is it found, and what does it do?

Answer 5

It is the filler between the dermal and vascular tissue which does the majority of photosynthesis. It also stores carbohydrates in the roots.

Question 6

What are the two types of vascular plant tissue? Whats the one main difference?

Answer 6

Xylem and Phloem. Xylem water upwards from roots to shoots, while phloem carries

Question 7

What are the characteristics and functions of phloem?

Answer 7

Forms a tube which carries nutrients, mainly glucose, and water from photosynthesizing ground tissue to the rest of the plant, both ways in the form of a sap. It is made of living tissue, and moves the nutrients through the process of Translocation.

Question 8

What are the characteristics and functions of xylem.

Answer 8

Made of dead cells which looses its cell walls between the cells to form an open tube, great for transporting water up. Uses the process of transpiration to move water up.As water evaporates off leaves, water in the ground is suctioned up because of cohesion of water molecules.

Question 9

What is osmosis?

Answer 9

Process of solvent like water moving from a lower concentration of solute to higher concentration.

Question 10

What are the 5 steps of Translocation in phloem?

Answer 10

1. Loading of glucose into phloem
2. Osmosis of water from xylem into phloem
3. Higher pressure of water in section of phloem due to more water causes bulk flow of sap to lower concentration areas of phloem
4. Unloading of glucose into cells
5. Osmosis of water back into xylem

Question 11

What is the plants version of stem cells?

Answer 11

Meristematic cells/ meristems