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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
- Alcohol is the most socially accepted narcotic drug. Excessive consumption of alcohol leads to
- How many plants among China rose, Ocimum, sunflower, mustard, Alstonia
- Sacred groves are specially useful in
- Which part of the human ear plays no role in hearing as such but is otherwise
- Which of these are necessary for initiation of blood clotting process?
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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