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प्रश्न
What are the functions of the stomata?
Give two functions of stomata.
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उत्तर
- They allow the exchange of gases (CO2 and O2) with the atmosphere.
- Evaporation of water from the leaf surface occurs through the stomata. Thus, the stomata help in the process of transpiration.
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
How many types of elements together make up the xylem tissue? Name them.
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Write a short note on sclerenchyma.
What is the difference between parenchyma and collenchyma?
Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3 and 4.
Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
Explain sclereids with their types.
While doing work and running, you move your organs like hands, legs, etc. Which among the following is correct?
Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Parenchyma | (i) | Thin walled, packing cells |
| (b) | Photosynthesis | (ii) | Carbon fixation |
| (c) | Aerenchyma | (iii) | Localized thickenings |
| (d) | Collenchyma | (iv) | Buoyancy |
| (e) | Permanent tissue | (v) | Sclerenchyma |
Name any two simple and two complex permanent tissues in plants.
