Advertisements
Advertisements
प्रश्न
Choose the correct answer:
In ascent of sap water reaches upwards ____________
पर्याय
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
The process by which root hairs absorb water from the soil.
Concentration of mineral nutrient elements is higher inside the root hairs than in the surrounding soil. How do roots take them in from the soil?
What would happen to the root hair of a potted plant if the soil was watered with an extremely concentrated solution of sodium chloride?
The figure shows a diagrammatic representation of the movement of certain substances inside the stem of a certain plant. Write five sentences on whatever you can explain about the processes or the arrangement of structures indicated in the diagram.
Note: - Each sentence must include one or more of the following four words, and each word can be used several times. Xylem, phloem, roots, leaves.
The alongside diagram A shows a root hair growing through the soil particles. Diagram B is the root hair of an aquatic plant.
(i) Name the parts 1,2,3.
(ii) Name two substances which enter the root hair. What are their uses?
(iii) By what process do these substances enter the root hair?
(iv) Account for the different shapes of root hairs in the two diagrams.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Xylem is the water-conducting tissue in plants.
________ type of tissues are present in epiphytic roots.
Draw a neat and labelled diagram of the Root tip showing the root hair zone.
Name the following:
Unicellular outgrowths from the epidermis of roots.
