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प्रश्न
Choose the correct answer:
Meaning of ascent of sap is ____________
पर्याय
absorption of water from soil.
alteration of water against gravitational force.
reaching of water upwards against gravitational force.
origin of cohesive force in water.
उत्तर
Meaning of ascent of sap is reaching of water upwards against gravitational force
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संबंधित प्रश्न
Correct the following statements by changing the underlined words:
Xylem transports starch from the leaves to all parts of the plant body
Match the items in column I with those in column II
| Column I | Column II | ||
| (a) | Xylem | (i) | semi - permeable |
| (b) | Phloem | (ii) | permeable |
| (c) | Cell membrane | (iii) | downward flow of sap |
| (d) | Root pressure | (iv) | upward flow of water |
| (e) | Cell wall | (v) | guttation |
Choose the correct answer:
Which one is semi-permeable?
Choose the correct answer:
Absorption of water from soil takes place by __________
Choose the correct answer:
In ascent of sap water reaches upwards ____________
Name the following:
Root hairs are the extension of which cells.
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
Identify the zone in wbkh root hair occurs.
Epiphytic plants like ____________ absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Identify the part of the plants which is responsible for maximum absorption of water.
