How much percentage of water is utilized for cell expansion and plant growth (in $\%$)?

Identify the incorrect statement from the following.

Which of the following is $NOT$ an aim or function of transpiration?

In which of the following situations would the transpiration rate be least affected by changes in humidity or temperature?

In a stomatal apparatus,cellulosic microfibrils are oriented:

Identify the purposes of transpiration.
$I -$ Transpiration creates a transpiration pull for absorption and transport in plants.
$II -$ It supplies water for photosynthesis.
$III -$ It transports minerals from the soil to all parts of the plant.
$IV -$ It cools leaf surfaces by $10-15^{\circ} C$ through evaporation.
$V -$ It maintains the shape and structure of plants by keeping cells turgid.