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प्रश्न
Distinguish Between Internal or anatomical difference between monocots and dicots.
फरक स्पष्ट करा
उत्तर
| Monocots | Dicots | |
| 1. | The stem shows scattered vascular bundles. | The stem shows vascular bundles that are arranged in ring-like manner. |
| 2. | Vascular bundles are conjoint collateral closed without cambium in the stem. | Vascular bundles are conjoint collateral and without cambium in the stem. open with fascicular cambium. |
| 3. | The root shows polyarch condition with broad pith. | The root shows tetrach and hexarch condition with narrow pith. |
| 4. | In stem, epidermis is without trichomes and hypodermis which is of sclerenchyma. | In stem, epidermis is with trichomes and hypodermis which is of collenchyma. |
| 5. | Guard cells of stomata are dumb-bell shaped. | Guard cells of stomata are kidney-shaped. |
| 6. | The leaf shows stomata on both upper and lower epidermis. Amphistomatic leaf. | The leaf shows stomata which are mainly on the lower epidermis. Hypostermatic leaf. |
| 7. | The leaf is isobilateral with undifferentiated mesophyll. | The leaf is dorsiventral with mesophyll differentiated into palisade and spongy. |
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संबंधित प्रश्न
Write a short note on sclerenchyma.
Explain different types of elements present in phloem.
Identify the odd word and explain why it is odd.
Parenchyma containing chloroplasts is known as :
Differentiate between cells of Sclerenchyma and Parenchyma
Give the structure and function of the following:
Phloem
Name the tissue associated with the following:
Movement of food in the plant body
The question has four answers. Choose the correct answer:
Hard lignified thick walled, long and pointed cells in a plant are
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 |
In which of the following pairs of parts of a flowering plant is epidermis absent?
