Question
Question: Roots of a plant when kept in a phenolphthalein containing weak alkaline solution, decolorises it. T...
Roots of a plant when kept in a phenolphthalein containing weak alkaline solution, decolorises it. This is due to
A
Absorption of phenolphthalein
B
Absorption of alkali
C
Respiration of roots
D
Utilization of O2
Answer
Respiration of roots