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प्रश्न
Correct the following statement by changing the underlined word.
Xylem transports starch from the leaves to all parts of the plant body.
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उत्तर
Phloem transports starch from the leaves to all parts of the plant body.
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संबंधित प्रश्न
The phenomenon of loss of water through a cut stem or injured part of plant is called ___________.
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 |
Concentration of mineral nutrient elements is higher inside the root hairs than in the surrounding soil. How do roots take them in from the soil?
How is root hair adapted for the absorption of water from the soil?
Choose the correct answer:
An example of a selective permeable membrane is __________
Root hairs become flaccid, when fertilizers are added to the moist soil around it. Explain.
What is the composition of an outer layer of root hair?
Which part of the root helps in maximum absorption of water and minerals?
Aquatic animals like fish excrete their wastes in gaseous form as ______.
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.
