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प्रश्न
Choose the correct answer:
Which one is semi-permeable?
पर्याय
Plasmalemma
Cell wall
Endoplasmic reticulum
Golgi body
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उत्तर
Plasmalemma
APPEARS IN
संबंधित प्रश्न
the exact location of the Lenticels
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
Process of ascent of sap in plants occurs by ______.
Choose the correct answer:
Absorption of water from soil takes place by __________
How is root hair structurally adapted for absorption of water from the soil?
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.
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.
Water in the root enters due to ______.
Name the following:
Unicellular outgrowths from the epidermis of roots.
