Advertisements
Advertisements
Question
Name the following:
Name the process by which intact plants lose water in the form of droplets.
Advertisements
Solution
Guttation
APPEARS IN
RELATED QUESTIONS
Give reason for the following:
If you uproot a plant from the soil, its leaves soon wilt.
What part is played by The cytoplasm in the uptake of water into the root hair?
A few RBC’s were kept in three test tubes containing isotonic, hypotonic and hypertonic solutions. What will be the expected observations after a few hours? Explain.
Differentiate between the following
Permeable and Semi-permeable membrane.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Diffusion | (a) The exit or flow of water from the cell to the outer environment. |
| (ii) Xylem | (b) The shrinkage of protoplasm when the cell is kept in a hypertonic solution. |
| (iii) Root pressure | (c) The tissue through which water and mineral salts move upward in a plant. |
| (iv) Isotonic solution | (d) Two solutions which have equal osmotic pressure. |
| (v) Exosmosis | (e) The process by which the molecules of perfume spread in the room when the bottle is open. |
| (vi) Osmosis | (f) The process by which roots absorb water from the soil. |
| (vii) Plasmolysis | (g) The pressure by which water rises up to some feet in a lofty tree. |
| (viii) Hypotonic solution | (h) The concentration of the solution when lower than that of the cell sap. |
Most plant cells and tissues constitutes _____ % water.
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
In soil which of the following type of water is available for absorption by plant roots?
Which part of the root helps in maximum absorption of water and minerals?
How many regions are there in a typical root?
