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प्रश्न
Name the following:
Name the process by which intact plants lose water in the form of droplets.
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उत्तर
Guttation
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संबंधित प्रश्न
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
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 |
What would happen to the root hair of a potted plant if the soil was watered with an extremely concentrated solution of sodium chloride?
Choose the correct answer:
Which one is semi-permeable?
What is toxicity ?
A few RBC’s were kept in three test tubes containing isotonic, hypotonic and hypertonic solutions. What will be the expected observations after a few hours? Explain.
Give Technical Term for the following.
The tissue responsible for the ascent of sap in plants.
Describe structure of root hair.
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
Why and how does water enter continuously into the root xylem?
