Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
(i) Plants absorb water by their roots.
(ii) Roots supply water to the stem and leaves of the plant.
(iii) In root hairs, the xylem is not fully mature and the endodermis and epidermis are permeable to water.
(iv) Water is absorbed by the plants through xylem in all directions.
(v) The food on the other hand is transported with the help of phloem.
APPEARS IN
संबंधित प्रश्न
Study the experimental setup in the figure and then answer the question that follow.
What is meant by 'semipermeable membrane'?
Differentiate between the following
Permeable and Semi-permeable membrane.
Fill in the Blank
Leaves get wilted if _________ is removed from the plant.
Multiple Choice Question:
Water will be absorbed by the root hairs when:
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 ?
Most plant cells and tissues constitutes _____ % water.
Root hair occurs in the zone of ____________.
