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9 Cards in this Set
- Front
- Back
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How are the plants classified on the basis of size? |
On the basis of size and kind of stem, plants can be classified as herbs, shurbs, trees, creepers & climbers.
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What are herbs? |
They are usually short and have green and tender stem, which may or may not have branches like beet and carrot. |
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What are shrubs? |
They have hard but not very thick stems, |
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What are trees? |
They are tall and have hard and thick brown stems, which branches much above the ground.Mango and neem are trees. |
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What are creepers? |
They have weak stems, so they cannot stand upright and spread on the ground like bottle gourd. |
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What are climbers? |
They too have weak stems, so take support and climb up, for example, money plant. |
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What is taproot system? |
When a seed germinates, a root emerges from the seed called radicle. This is called the main root, from which the root branches emerge.The main root grows deep into the soil.Such a root system is called the taproot system and is seen in plants like bean, mango and pea. |
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What is fibrous root system? |
In plants like maize, a cluster of roots arises from the base of the stem. The root formed first dies. The cluster of roots is thin and fibrous. There is no main root. They form the fibrous root system and spread out into the soil giving support to the plants. Wheat, maize, millet,etc., have this type of root system. |
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What are the functions of the root? |
Anchorage:It holds the plant in place in the ground, thus preventing it from being blown away by strong winds. |
