Roots of a plant when kept in a phenolphthalein containing weak alkali – McqOptions

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1.	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\[{{O}_{2}}\]
Answer» D. Utilization of\[{{O}_{2}}\]

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