Respuesta :
Formation of the curved upper surface, such as occurs in a tube filled with water, is an important factor in plant water movement. a curved upper surface is created by the topmost layer of water molecules being pulled downward by the hydrogen bonds to the water molecules below. The correct option is D.
What is way of water transport in plants?
Water from the soil initiates from the root hairs via a gradient of water potential and then into the xylem via the apoplast as well as symplast pathways.
It is carried upward by transpiration through the xylem and then into the leaves along every water potential gradient.
The formation of a curved upper surface, such as that found in a water-filled tube, is a crucial component in plant water movement.
The topmost layer of water molecules is pulled downward by hydrogen bonds to the water molecules below, resulting in a curved upper surface.
Thus, the correct option is D.
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Your question seems incomplete, the missing options are:
- A) the upward pull of gravity on the water column in the tube
- B) downward pressure from the atmosphere on the topmost layer of water molecules
- C) the water molecules being pulled upward by adhesion to the air
- D) the topmost layer of water molecules being pulled downward by the hydrogen bonds to the water molecules below
