Question

Plants lose most of water through leaves by

• A. Respiration
• B. Guttation
• C. Photosynthesis
• D. Transpiration

Answer 1

Answer: (D)

Transpiration

Water is essential for plants, it absorbs water from the soil through roots. However, plants absorbs much water, but only a small amount of water is used for their growth and metabolism. Persisting 97 - 99.5% of absorbed water is lost by transpiration. Transpiration is the process of elimination water in the form of water vapour from the aerial parts such as leaves, flowers and stem.

So, the correct answer is option D.