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प्रश्न
Minerals cannot be passively absorbed by the roots.
उत्तर
The minerals cannot be passively absorbed by the roots because:
- The minerals are present in the soil as charged particles (ions) and cannot move across the cell membrane.
- The concentration of minerals in the soil is lower than the concentration of minerals in the root.
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संबंधित प्रश्न
Multiple Choice Question:
Put a tick mark (✓) against the correct alternative in the following statement:
The root-hairs are suited for absorbing water from the soil because:
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
Choose the correct answer:
In ascent of sap water reaches upwards ____________
Choose the correct answer:
The water is translocated upwards from the roots through _____________
Name the following:
Root hairs are the extension of which cells.
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 ?
Most plant cells and tissues constitutes _____ % water.
Write a note on the morphological structure of the root.
Which of the following are the components of cell wall of root hair?
Which part of the root helps in maximum absorption of water and minerals?