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प्रश्न
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उत्तर
The transport of water with dissolved minerals from the root to other aerial parts like stem and leaves, against gravity, is called translocation or ascent of sap.
संबंधित प्रश्न
the exact location of the Lenticels
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Guttation in plants occurs maximum at midday.
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Dry seeds when submerged in water swell up due to endosmosis.
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
The root hair cell is in a turgid state. Name and explain the process that caused this state.
The below figure shows a root hair:
(i) Label the parts 1 to 4.
(ii) What is the role of part 4?
(iii) Why is the root hair one-celled?
(iv) What will happen to the root hair if some fertilizer is added to the soil near the root hair?
A thin strip of epidermal cells of a leaf was observed in a drop of water. They all looked turgid and normal.
(a) Draw a diagram of such a cell.
(b) Draw a diagram of a cell if this strip is transferred to a strong concentrated solution of sugar. What is term used for the effect on the cells ?
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
Plasma Membrane is ______.
Identify labels x, y, z in the given figure of root showing different regions.
The tubular, colorless delicate prolongations of epidennal cells are seen in which region of root in plants?
