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Paheli noticed water being pulled up by a motor-pump to an overhead tank of a five-storeyed building. She wondered how water moves up to great heights in the tall trees standing next to the building. - Science

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Question

Paheli noticed water being pulled up by a motor pump to an overhead tank of a five-storeyed building. She wondered how water moves up to great heights in the tall trees standing next to the building. Can you tell me why?

Answer in Brief

Solution

If The root cells absorb water and mineral salts from the soil. A continuous upward flow of water from the roots to the top of the plant is maintained due to the suction pull (transpiration pull). This suction pull is created due to the continuous loss of water from the leaf surface by the process of transpiration.

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Chapter 11: Transportation in Animals and Plants - SHORT ANSWER QUESTIONS [Page 59]

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NCERT Exemplar Science [English] Class 7
Chapter 11 Transportation in Animals and Plants
SHORT ANSWER QUESTIONS | Q 17. | Page 59
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