Advertisements
Advertisements
प्रश्न
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.
विकल्प
True
False
Advertisements
उत्तर
This statement is false.
Explanation:
Guttation occurs due to excessive root pressure. It is at its maximum when root pressure is at its maximum, which occurs in the early mornings or at night. This is because during these times, transpiration is very low and water absorption is very high.
APPEARS IN
संबंधित प्रश्न
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 |
Give reason for the following:
If you uproot a plant from the soil, its leaves soon wilt.
Choose the correct answer:
Meaning of ascent of sap is ____________
Give Technical Term for the following.
The tissue responsible for the ascent of sap in plants.
Multiple Choice Question:
Process of endosmosis stops:
________ type of tissues are present in epiphytic roots.
Draw a neat and labelled diagram of Root hair.
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
Which part of the root helps in maximum absorption of water and minerals?
