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प्रश्न
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
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उत्तर
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संबंधित प्रश्न
Differentiate between the following:
Guttation and bleeding
What part is played by the cell wall?
The apparatus arranged alongside signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
Choose the correct answer:
Wilting of plants occurs when ____________
Study the experimental setup in the figure and then answer the question that follow.
Explain the phenomenon mention in question 8.1 .
Differentiate between the following
Permeable and Semi-permeable membrane.
A thin strip of epidermal cells from the fleshy scales of an onion bulb was examined in a drop of water, under a microscope. All the epidermal cells looked alike and the figure alongside represents one of them. The thin strip was then transferred to a drop of strong sugar solution and re-examined under the microscope after about five minutes.
(i) Make a sketch of one of the epidermal cells, as it might appear after immersion in a strong sugar solution. Label any two parts which have undergone a change.
(ii) Give the scientific term for the change shown in Q.(i) above.
(iii) What would you do to bring this cell back to its original condition?
(iv) Give the scientific term used for the recovery of the cell as a result of the step taken in Q.(iii) above.
Which part of the root helps in the maximum absorption of water and minerals?
____________ regions are present in a typical root.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
