Advertisements
Advertisements
Question
Choose the correct answer:
Process of ascent of sap in plants occurs ___________
Options
by cortex
by xylem
by phloem
by cambium
Solution
Process of ascent of sap in plants occurs by xylem
APPEARS IN
RELATED QUESTIONS
Explain the mechanism of closing and opening of the stomata.
What part is played by The cytoplasm in the uptake of water into the root hair?
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.
Given below is an experimental demonstration.
(i) Which phenomenon has been demonstrated in the given figure?
(ii) What is the solute and what is solvent in the above experiment?
(iii) Define the phenomenon in Q. (i) above.
(iv) Give one example from your daily life experiences based on this principle.
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 ?
Part of the root that absorbs water from the soil is ______.
The tubular, colorless delicate prolongations of epidennal cells are seen in which region of root in plants?
Roots of the plants absorb water from the soil through the process of ____________.
Which plant does tissue transport water and minerals from the roots to the leaf?
Name the following:
Unicellular outgrowths from the epidermis of roots.