Question

A branch of celery is soaked in a glass of water containing food dye. Soon, the tough fibers in the celery branch are colored. What tissue do the tough fibers contain?

a) Collenchyma tissue
b) Sclerenchyma tissue
c) Parenchyma tissue
d) Xylem tissue

Answer 1

The tough fibers in a celery branch contain Sclerenchyma tissue, which provides structural support to the plant.

Step-by-step explanation:

The tough fibers in a celery branch contain Sclerenchyma tissue. These elongated cells have thick walls and provide structural support to the plant. They are usually found below the epidermis and give strength to celery strings.