Advertisements
Advertisements
प्रश्न
Choose the correct answer:
Absorption of water from soil takes place by __________
विकल्प
root cap region
root hairs
elongation zone
maturation zone
Advertisements
उत्तर
Absorption of water from soil takes place by root hairs
APPEARS IN
संबंधित प्रश्न
The figure given below is a diagrammatic representation of a part of the cross section of the root in the root hair zone. Study the same and then answer the questions that follow
(i) Name the parts indicated by the guidelines 1 to 4.
(ii) Which is the process that enables the passage of water from the soil into the root hair?
(iii) Name the pressure that is responsible for the movement of water in the direction indicated by the arrows. Define it.
(iv) Due to an excess of this pressure sometimes drops of water are found along the leaf margins of some plants especially in the early mornings. What is the phenomenon called?
(v) Draw a well labelled diagram of the root hair cell as it would appear if an excess of fertiliser is added to the soil close to it.
Explain the mechanism of closing and opening of the stomata.
Choose the correct answer:
An example of a selective permeable membrane is __________
Most plant cells and tissues constitutes _____ % water.
Outer layer of root hair is made up of ________.
Define: Root hair
Write a note on the morphological structure of the root.
Part of the root that absorbs water from the soil is ______.
Name the following:
Unicellular outgrowths from the epidermis of roots.
