Advertisements
Advertisements
प्रश्न
An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:
Name the process being studied.
Advertisements
उत्तर
Transpiration
संबंधित प्रश्न
Fill in the blank with the suitable term given below:
Transpiration is more when the wind is blowing _____.
Define the three processes by which plants absorb water and minerals from the soil.
The figure below represents the set-up at the start of certain experiment to demonstrate an activity of plants:
(i) What is the aim of the experiment?
(ii) Why has oil been put in each test tube?
(iii) What will be the observations in the two test-tubes after about 2-3 days?
(iv) Give reasons to explain any change observed as answered in (iii) above.
(v) Why has the test-tube b without the plant, been taken in the experiment?
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of the spring balance in the set-up?
Define the following term:
Transpiration
Give Technical Term
When cobalt chloride paper is placed on lower and upper surface of the leaf, the paper of which side becomes more pink?
What type of transpiration is possible in the xerophyte Opuntia?
Transpiration is a necessary evil in plants. Explain.
Why is transpiration called a necessary evil?
Will the ascent of sap be possible without the cohesion and adhesion of the water molecules? Explain.
