Question

What would be the effect if a freshly cut end of a plant is put in eosin solution?

• A. Leaves remain fresh but ascent of sap stops
• B. Phloem gets colored because of ascent of sap
• C. Xylem elements get stained showing ascent of sap through them
• D. Ascent of sap stops

Answer 1

Answer: (C)

Xylem elements get stained showing ascent of sap through them

The ascent of sap refers to the upward movement of water and minerals from the root to the leaves of the plants. If the xylem tissue of plants is the upward movement of water and minerals from the root to the crown. This complex tissue made up of living and nonliving cells include vessels and tracheids When a freshly cut end of a plant is put in eosin solution the xylem elements gets stained which proves the ascent of sap through these cells.

So, the correct answer is option C.