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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 pholem sap?
Options
(a) Low refractive index
(b) Absence of sugar
(c) Acidic
(d) Alkaline
Correct Answer:
Alkaline
Explanation:
Alkaline pH (7.8 – 8.0) is present in phloem sap where as xylem sap is acidic.
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Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Fungi resemble with algae except
- Guttation is the release of liquid water from veins at leaf margins. It is caused by
- The earth is believed to be 4,500 million years old, life on this planet
- Mule is a product of
- Which of the following groups represents the al members of phaeophyceae
Topics: Transport and Nutrition in Plants (163)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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