Advertisements
Advertisements
प्रश्न
Choose the correct answer:
In ascent of sap water reaches upwards ____________
विकल्प
In the form of a solid column.
in the form of a fragile column.
to some places in the form of solid and to some places in liquid form.
none of the above.
Advertisements
उत्तर
In ascent of sap water reaches upwards none of the above
APPEARS IN
संबंधित प्रश्न
Match the items in column I with those in column II
| Column I | Column II | ||
| (a) | Xylem | (i) | semi - permeable |
| (b) | Phloem | (ii) | permeable |
| (c) | Cell membrane | (iii) | downward flow of sap |
| (d) | Root pressure | (iv) | upward flow of water |
| (e) | Cell wall | (v) | guttation |
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt.
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.
Name the following:
Name the process by which intact plants lose water in the form of droplets.
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 ?
Water which is absorbed by roots is transported to aerial parts of the plant through ______
Identify the zone in wbkh root hair occurs.
