Question

Describe an experiment that was used to prove that xylem translocates minerals.

Answer 1

Objective - Experiment to show a movement of mineral in xylem.

Requirement: Balsam plant, Beaker, Eosine solution (red dye forms from the action of bromine) and stand.

Procedure:

1. The shoot of Balsam plant which is leafy is placed in an Eosine solution.
2. After some time it is observed that the vein of leaves become red and shoot has red streaks.
3. Transverse section is cut and stained and found that it is xylem tissues.
4. This shows that the water is translocated in xylem tracheids and vessels.
5. Rest of the tissues remain unstained.

Conclusion:- From the above experiment, it is proved that xylem tissues are responsible for the translocation of water.