Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
(i) Roots help in the absorption of water.
(ii) They also help in the absorption of minerals.
APPEARS IN
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:
Choose the correct answer:
Meaning of ascent of sap is ____________
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.
Name the following:
The kind of cells that constitute the cortex of a root.
Name the following:
Root hairs are the extension of which cells.
From which type of cells, root hair is originated
Draw a neat and labelled diagram of the Root tip showing the root hair zone.
Identify the zone in wbkh root hair occurs.
How many regions are there in a typical root?
Identify the part of the plants which is responsible for maximum absorption of water.
