Name:_______________________
Date:___________
Per:________
1.5 Plant Roots
Dermal Tissue in Roots:
1. Why are there so many fine root hairs on the
roots?
4. What is passively absorbed from the soil?
2. What type of tissue are root hairs?
5. What would happen if salt water was used in
the place of fresh water when watering a
plant?
3. What takes energy to absorb from the soil?
Vascular Tissue in Roots:
6. What part of the root contains vascular tissue?
7. Do root hairs contain any vascular tissue?
8. What is the function of xylem and phloem in the root?
Ground Tissue in Roots:
a. Obtain a slither of a potato.
b. Drop a few drops of iodine on the potato sliver
c. Wash the potato under water to get off the excess iodine and dry with a paper towel
d. Make a wet mount slide by adding a drop of water on one side of the cover slip.
Iodine dies the starch black and makes it visible under a microscope.
1. Is there starch stored in the potato cells?
5. What tissue transports the starch from the leaves
to the roots of the plant?
2. What organelles store this starch?
6. What is the structure of root ground tissue?
3. What process makes this starch?
7. What is the function of root ground tissue?
4. What plant organ makes this starch?
Shade in each plant tissue a different color.
Color of the dermal tissue
Color of the ground tissue
Color of the vascular tissue
Root Cross section