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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.
How are simple tissues different from complex tissues in plants?
Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.
What is the difference between parenchyma and collenchyma?
What is simple tissue? Classify and explain its different types with suitable diagram.
Differentiate between cells of Meristematic tissue and Permanent tissue
Give the structure and function of the following:
Crystal
Name the tissue associated with the following:
Movement of food in the plant body
The question has four answers. Choose the correct answer:
Phloem parenchyma, sclerenchyma, sieve tubes, and companion cells are found in
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 |
