Advertisements
Advertisements
प्रश्न
Write the functional activity of the following structure:
Hydathodes
Advertisements
उत्तर
Plants secrete an excess of water through hydathodes when the atmosphere is very humid and the transpiration process cannot occur.
APPEARS IN
संबंधित प्रश्न
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:
Why was the pot enclosed in a rubber sheet?
Distinguish between the following:
Transpiration and evaporation
Choose the correct answer:
In herbaceous plants, following percentage of absorbed water comes out __________
Differentiate Between Transpiration and Translocation.
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental set-up was placed in bright sunlight. Study the diagram and answer the following questions:
- Name the process intended for the study.
- Define the above mentioned process.
- When the weight of the test tubes (A and B) is taken before and after the experiment, what is observed? Give reasons to justify your observations in A & B.
- What is the purpose of keeping the test tube B in the experimental set-up?
- What is the purpose of putting oil in the test tube?
Give Technical Term
Loss of water from the aerial parts of a plant.
Complete the following sentence with appropriate word:
The leaves of the __________ plants have cuticular wax.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration takes place only in green plants
Write the functional activity of the following structure:
Guard cells
