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प्रश्न
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उत्तर
Xylem tissue
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संबंधित प्रश्न
Comment on the following statement:
A well-watered potted plant shows wilting of leaves on a hot sunny day.
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of putting oil in the test tube?
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.
Transpiration takes place through ______.
Why is transpiration called a necessary evil?
Write a note on Transpiration.
Do different species of plants growing in the same area show the same rate of transpiration at a particular time? Justify your answer.
Will the ascent of sap be possible without the cohesion and adhesion of the water molecules? Explain.
Observe the diagram and answer the following;
 (i) |
 (ii) |
- Are these types of guard cells found in monocots or dicots?
- Which of these shows a higher water content (i) or (ii)?
- Which element plays an important role in the opening and closing of stomata?
Plants show temporary and permanent wilting. Differentiate between the two. Do any of them indicate the water status of the soil?
