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प्रश्न
Give the structure and function of the following:
Crystal
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उत्तर
Crystal
Structure - Three common types of crystals are found in plants: druses (spherical crystal aggregates), raphides (long pointed needles found in bundles), and prisms. Despite the variety of crystal structures found throughout the plant cells, all crystals contain calcium oxalate.
Function - Crystals either protect plants from animals or they may provide extra support.
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संबंधित प्रश्न
How does the cork act as a protective tissue?
Draw a well labelled diagram of parenchyma and collenchyma.
Give two functions of collenchyma.
Distinguish between tracheids and vessels.
What is the differences between collenchyma and sclerenchyma?
Study the diagram given below and then answer the question that follows:
Where is this tissue likely to be found in the plant?
Choose the correct option.
Collenchyma is a type of ______ tissue.
Distinguish Between Internal or anatomical difference between monocots and dicots.
What are sieve tubes? Explain.
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 |
