RRB Group-D Model Paper 17 with answers for online practice

• The amount of water that plants transpire varies greatly geographically and over time.
• The transpiration depends upon
• Temperature,
• Relative humidity,
• Wind and air movement,
• Soil moisture availability and
• Type of plant.

Guttation

• Guttation is the loss of water in the form of water droplets from hydathodes (small pores) on the leaf margin of some vascular plants.

Evaporation

• Evaporation is the process by which water changes from a liquid to a gas or vapour.

Translocation

• The movement of sucrose and other substances like amino acids around a plant is called translocation.