Field capacity of the soil includes
- capillary and gravitational water
- capillary and runaway water
- hygroscopic and capillary water
- hygroscopic, capillary and bound water.
The Correct Option is D
Solution and Explanation
Top Questions on Transport in Plants
- Photosynthesis takes place in the leaves and the food prepared by it reaches other parts of the plants. Name the process involved and explain it.
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List II
A Heroin I Effect on cardiovascular system B Marijuana II Slow down body function C Cocaine III Painkiller D Morphine IV Interfere with transport of dopamine Choose the correct answer from the options given below:
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Given below are two statements:
Statement I: The forces generated transpiration can lift a xylem-sized column of water over 130 meters height.
Statement II: Transpiration cools leaf surfaces sometimes 10 to 15 degree evaporative cooling.In the light of the above statements, choose the most appropriate answer from the options given below:
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List-I List-II (a) Cohesion (i) More attraction in liquid phase (b) Adhesion (ii) Mutual attraction among water molecules (c) Surface tension (iii) Water loss in liquid phase (d) Guttation (iv) Attraction towards polar surfaces Choose the correct answer from the options given below:
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Concepts Used:
Transport in Plants
The two types of conducting tissues that are used to transport the water and minerals in plants such as:
Xylem:
Xylem is a long, non-living tube running from the roots to the leaves via the stem. The water is absorbed by the root hair and goes through cell-to-cell movement by osmosis until it reaches the xylem. This water is then transported throughout the xylem vessels to the leaves and is evaporated by the process of transpiration.
The xylem is also composed of lengthened cells like the phloem. However, the xylem is mainly accountable for transporting water to all plant parts from the roots. Since they serve such a vital function, a single tree would have a lot of xylem tissues.
Phloem:
The phloem is accountable for the translocation of nutrients and sugar like carbohydrates, produced by the leaves to areas of the plant that are metabolically in force. It is powered by living cells. The cell walls of these cells structurize small holes at the ends of the cells known as sieve plates.
Means of Transportation in Plants:
Transportation in plants is by 3 means, they are as follows:
- Diffusion
- Facilitated diffusion
- Active Transport