Biology · Transport in Plants
A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it is phloem sap?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Low refractive index
- 2Alkaline pH✓
- 3Acidic pH
- 4Absence of sugar
Correct answer
Alkaline pH
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