Exams › NEET › Biology

Water potential in the leaf tissue is positive (+) during

1. excessive transpiration
2. low transpiration
3. excessive absorption
4. guttation

Correct answer: guttation

Solution

During guttation, root pressure forces xylem sap out through hydathodes as liquid droplets, so the leaf tissue can have positive pressure potential. In transpiration, water potential is generally negative because water is being pulled out as vapor.

Related NEET Biology questions

• Chemical analysis of phloem shows the presence of
• The force responsible for raising water in \( 100 \mathrm{ft} \) tall plant is
• Xylem translocates:
• In a ring girdled plant:
• Loading of phloem is related to
• Sieve tubes are suited for translocation of food because they possess

⚔️ Practice NEET Biology free + battle 1v1 →