Plant Water Relations
Plant Water Relations: Overview
This topic describes the plant-water relation by discussing the concept of water potential, osmosis, plasmolysis and imbibition. Each process and its significance is explained here in detail.
Important Questions on Plant Water Relations
The diagram below shows two solutions that are separated by a semi-permeable membrane. In which direction will osmosis takes place?
Which of the following is/are the factor/s that affect/s chemical potential of water?
The chemical potential of pure water is less than that of a solution.
Fill in the blank with the correct answer from the bracket.
The chemical potential of pure water at normal temperature and pressure is _____. (1, 0, -1)
Define the chemical potential of water.
The osmotic pressure is independent of the temperature.
Fill in the blank with the correct option provided in the bracket.
_____(Temperature/Light/Humidity) affects osmotic pressure of a solution.
Osmotic pressure is independent upon the solute concentration of a solution.
The development of concentration gradient is a prerequisite condition for active transport.
Which transport process is independent of concentration gradient?
Which of the following factor affect the osmotic pressure?
Define osmotic pressure and list factors that affect osmotic pressure.
Facilitated diffusion is independent of concentration gradient.
Define concentration gradient. How it is related to osmosis?
The protoplasm shrinks, when a cell is kept in a hypotonic solution
Addition of salt to pickles prevents growth of bacteria because they turn turgid.
Name the following:
The condition in which the cell contents are shrunken.
Identify the correct statements regarding the hypotonic solution from the given options below.
Plasmolysis: flaccid:: Deplasmolysis: _____.
The relative concentration of the solutions that determine the direction and extent of diffusion is called _____.
