PLANT PHYSIOLOGY
PLANT GROWTH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Roots hold the plant up.
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They capture energy from the sun for photosynthesis.
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Collect water from the ground and transfer it to the plant.
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None of the above
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Detailed explanation-1: -The water is transported to the other cells in the root region by osmosis. The movements of water is through the root hairs to the cortical cells and then to the layer of endodermis is through the process of osmosis down the concentration gradient.
Detailed explanation-2: -Its primary functions are anchorage of the plant, absorption of water and dissolved minerals and conduction of these to the stem, and storage of reserve foods.
Detailed explanation-3: -The water is absorbed by the root hair and undergoes cell to cell movement by osmosis until it reaches the xylem. This water is then transported through the xylem vessels to the leaves and is evaporated by the process of transpiration.
Detailed explanation-4: -Water moves from the roots to the leaves through tissue called the xylem, in a process called transpiration. As water evaporates out of the leaf, more water is ‘pulled upwards’ to replace what has been lost.
Detailed explanation-5: -Capillary action is the phenomenon that causes water to rise from plant roots to leaves. Moisture is transported through plants via transpiration, from roots to tiny pores on the underside of leaves, where it transforms into vapour and is discharged into the atmosphere.