Advertisements
Advertisements
प्रश्न
Give the structure and function of the following:
Crystal
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.
APPEARS IN
संबंधित प्रश्न
Name the tissue that transports food in plants.
Draw a well labelled diagram of phloem.
Draw a well labelled diagram of xylem.
What are the functions of xylem?
Parenchyma containing chloroplasts is known as :
Give the structure and function of the following:
Sclerenchyma
The question has four answers. Choose the correct answer:
Phloem parenchyma, sclerenchyma, sieve tubes, and companion cells are found in
Explain sclereids with their types.
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.
