Question

Explain an activity to show that stem conducts water and other substance​

Answer 1

Activity to show that stem conducts water and other substances:

1) Take some water in a glass.

2) Add few drops of red ink to the water.

3) Cut the stem of a herb plant from its base.

4) Put it in the glass.

5) It can be observed that some parts of the stem become red indicating that water is being conducted through the stem.

Answer 2

Explanation:

1. Wash its roots properly and then cut the roots under water.
2. Dip the lower end of the cut stem in a bottle containing water to which few drops of an indicator dye such as eosin or red ink has been added.
3. Leave the plant undisturbed for few hours and then observe the plant carefully.

Xylem :

• Xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support.
• Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements.