Advertisements
Advertisements
Question
Water in the root enters due to ______.
Options
The function of the root to absorb water.
difference in the concentration of ions between the root and the soil.
excess water present in the soil.
diffusion of water in the roots.
Solution
Water in the root enters due to The function of the root to absorb water.
Explanation:
The main job of a plant's root system is to take up water and vital nutrients from the soil. The root hairs, which are tiny extensions of the root cells that increase the surface area of the root for greater absorption, are responsible for this absorption. In order to create a concentration gradient that draws water into the root, the root cells actively transport ions and minerals from the soil into the root.
APPEARS IN
RELATED QUESTIONS
How does movement and absorption of water take place through the roots?
What part is played by the cell wall?
Choose the correct answer:
Which one is semi-permeable?
Choose the correct answer:
Meaning of ascent of sap is ____________
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.
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
Root hairs are ______
Look at Figure 11.1. Draw another figure of the same set-up as would be observed after a few hours.
Explain about the factors that affect water absorption.
