LABORATORY REVIEW
TRANSPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To bring food from the soil to the whole plant.
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To carry water and nutrients from the roots to the whole plant.
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To carry food from the chloroplasts around to all parts of the plant.
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Detailed explanation-1: -Xylem is the specialised tissue of vascular plants that transports water and nutrients from the plant–soil interface to stems and leaves, and provides mechanical support and storage. The water-conducting function of xylem is one of the major distinguishing features of vascular plants.
Detailed explanation-2: -Stems carry water and nutrients taken up by the roots to the leaves. Then the food produced by the leaves moves to other parts of the plant. The cells that do this work are called the xylem cells. They move water.
Detailed explanation-3: -Xylem is one of the two types of vascular tissues in plants, phloem being the other. The function of xylem is to transport water and nutrients from the roots to all parts of the body.
Detailed explanation-4: -Answer: Functions of xylem: (i) To carry water and mineral salts upwards from the root to different parts of shoots. (ii) To provide mechanical support to the plant as the walls of tracheids, vessels, and fibres of xylem are lignified.
Detailed explanation-5: -The main function of the xylem is water transport from roots to the other parts of the plant. Xylem also provides mechanical strength. Tracheids and vessels are the main elements for conducting water.