A student cuts a twig of a plant. After making the cut, the student observed water coming out from its end. What could be the reason for the appearance of this drop of water?(1)
i. Transportation (conduction) of water through the stem
ii. Transpiration of water through the stem
iii. Formation of dew due to water condensation
iv. Absorption of water by stem from its surroundings
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The correct reason in context to the given question is option i: Transportation of water through the stem.
- A twig is a tiny component of the plant which branches off from the main stem.
- Water is transported to all areas of the plant through a variety of special group of cells that is present in plants.
- This water is taken from the ground through part of the plant that is in contact with it called roots.
- It then spreads to various sections of the plant via water-conducting tissues and sapwood.
- Therefore, water escapes from the plant when a student chops a plant twig due to the water conduction mechanism in the stem.
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