Question

Differentiate between the following:

Sieve cells and tracheids

Answer 1

Sieve tubes

1. They are the component of phloem.
2. They conduct food from the aerial parts of the plant.

Tracheids

1. They are the component of Xylem.
2. They provide mechanical strength and support and conducts water to the aerial parts of the plant.

Sieve tubes	Tracheids
1.Present in phloem.	1.Present in xylem.
2. Cylindrical cells devoid of nucleus.	2. Elongated dead cells.
3. Walls are thin and perforated.	3. Walls are thick.
4. Conducts food.	4. Conduct water and minerals, also provide mechanical support.