Botany (M.Phil./Ph.D.) 2017 Panjab University Entrance Exam With Answers

Practice Mode:

A dew drop at the tip of tomato leaves on cool night is formed due to:

A: Atmospheric water
B: Evaporation of water from stomata
C: Secretion of water from hydathodes
D: Excessive water absorption at the root tips

The answer is: C