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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:
Explain the process named above in 7.1.
उत्तर
Transpiration is a process during which water is lost in the form of water vapour through aerial parts of the plant.
APPEARS IN
संबंधित प्रश्न
Differentiate between Transpiration and Evaporation
Give a reason.
What happens to the movement of the air-bubble if the apparatus shown above is kept in dark.
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?
Choose the correct answer:
The percentage of cuticular transpiration in plants is _____________
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.
Name the process intended for study.
Describe an experiment to prove that transpiration occurs more from the undersurface of dorsiventral leaves.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Moist cobalt chloride paper is blue in colour.
Will the ascent of sap be possible without the cohesion and adhesion of the water molecules? Explain.
ABA (Abscisic acid) is called a stress hormone. From where does this hormone get released in leaves?
Why is transpiration less in the still wind?
