One of the following processes is not a step involved in the water-cycle operating in nature
(a) evaporation
(b) transpiration
(c) precipitation
(d) photosynthesis
Answer: D
Solution.
This water cycle has steps:
Evaporation, Condensation, Precipitation and Surface run off.
Transpiration is also kind of evaporation in the trees with the help of leaves.
Photosynthesis is a part of the carbon cycle.
Therefore correct option of this question is option D