Plant Structure And Support

Question 1

What does xylem transport?

Answer 1

Water and minerals UP the plant

Question 2

What does phloem transport?

Answer 2

Food up AND down the plant

Question 3

What is the function of the root?

Answer 3

To anchor the plant
To take in water and minerals
Store food

Question 4

What is the function of stem?

Answer 4

Hold up leaves
Carry water and minerals
Carry food

Question 5

What is the function of the leaves?

Answer 5

Photosynthesis
Exchange gases
Loss of water vapour

Question 6

What is the function of the flower?

Answer 6

Sexual reproduction

Produce seeds

Question 7

How do you show that water vapour is lost from a plant?

Answer 7

1. Set up a seedling in water and oil in one test tube and just water and oil in another test tube.
2. Mark the level of water
3. Check again after 3 days and record results

Question 8

How do you show the path of water through plant tissue?

Answer 8

1. Set up celery in a beaker with red food dye.
2. Rinse the celery after one/two days
3. Cut a piece of celery and cut across the stem.
4. Observe the veins of the celery which should be red

Question 9

What is transpiration?

Answer 9

The loss of water vapour from the surface of a plant

Question 10

How do you show that water evaporates from the surface of a leaf by transpiration?

Answer 10

1. Cover a watered pot plant with leaves on it with a plastic bag.
2. Cover a watered pot plant with no leaves on it with a plastic bag
3. Leave for a few hours
4. Test any liquid formed with anhydrous copper sulfate