Advertisements
Advertisements
प्रश्न
Name the following:
Unicellular outgrowths from the epidermis of roots.
Advertisements
उत्तर
Root hair
Explanation:
From the root epidermis, these unicellular outgrowths help to draw minerals and water from the ground.
APPEARS IN
संबंधित प्रश्न
The process by which root hairs absorb water from the soil.
Match the items in column I with those in column II
| Column I | Column II | ||
| (a) | Xylem | (i) | semi - permeable |
| (b) | Phloem | (ii) | permeable |
| (c) | Cell membrane | (iii) | downward flow of sap |
| (d) | Root pressure | (iv) | upward flow of water |
| (e) | Cell wall | (v) | guttation |
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Mention one distinct difference between the parts labelled A and B.
Root hairs become flaccid, when fertilizers are added to the moist soil around it. Explain.
Give Technical Term for the following.
The tissue responsible for the ascent of sap in plants.
Draw a neat and labelled diagram of Root hair.
Write a note on the morphological structure of the root.
Explain about the factors that affect water absorption.
