Advertisements
Advertisements
प्रश्न
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Advertisements
उत्तर

APPEARS IN
संबंधित प्रश्न
Given below is the diagrammatic representation of the transverse section of a part of a plant. Study it and answer the questions that follow:
(a) Name the part of the plant that is shown
(b) Label the parts 1 to 6
(c) Write the functions of parts 3 and 5
What part is played by The cytoplasm in the uptake of water into the root hair?
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Guttation in plants occurs maximum at midday.
How is root hair structurally adapted for absorption of water from the soil?
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.
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.
Most plant cells and tissues constitutes _____ % water.
Write a note on the morphological structure of the root.
Aquatic animals like fish excrete their wastes in gaseous form as ______.
