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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
- Breaking of glycogen into glucose is called
- Ultraviolet radiations from sunlight causes a reaction that produces
- Sugarcane is generally propagated vegatatively because
- Smallest unit of muscle is
- A progressive series of changes in plant and animal life of an area from initial
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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