Advertisements
Advertisements
Question
What is cohesion?
Advertisements
Solution
The force of attraction between the water molecules is called cohesion.
APPEARS IN
RELATED QUESTIONS
Transpiration is best defined as
In an experiment, four freshly plucked leaves (A-D) of a plant, such as those of china – rose, were treated as follows:
(a) Coated with Vaseline on its upper surface.
(b) coated on the lower surface.
(c) coated on both surface
(d) left uncoated.
All the four leaves A, B, C & D were left in a room for about 24 hours.
(i) which leaf would become most limp? Why?
(ii) which leaf would show least limping? Why?
Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
Name the process being studies. Define the process.
Explain how the rate of transpiration is affected on:
a windy day
Name the following.
The instrument used for measuring the rate of transpiration.
Mark the most appropriate answer in the following:
If the rate of transpiration becomes more than the rate of photosynthesis, plant will ______
Choose the correct answer:
Transpiration rate is high, when ___________
Describe any three conditions which affect transpiration.
