Question

Choose the correct answer from each of the four options.

Loss of water as droplets from hydathodes is called

• A. Transpiration
• B. Bleeding
• C. Guttation
• D. Evaporation.

Answer 1

The correct option is C

Guttation

The correct option is C.

Explanation of the correct option:

1. The phenomenon of guttation occurs in marshy and mesophytic plants mainly during the humid season when transpiration is low.
2. It occurs through special permanent openings called hydathodes.
3. Guttation occurs due to root pressure.
4. In guttation, water is lost as droplets from hydathodes, especially during the early morning.

Explanation of the incorrect options:

Option A:

1. Transpiration is the loss of water through stomata present on leaf surfaces.

Option B:

1. Bleeding is oozing out of sap or watery solution from a cut or injured part of the plant.

Option D:

1. Evaporation of water occurs during transpiration through stomata.

Final Answer: The loss of water as droplets from hydathodes is called guttation.