In which of these is osmosis occurring 1 plant is absorbing water from the soil
2sugar is being taken up into the blood from the gut
3 water is evaporating from a leaf
4oxygen is entering the blood from the lungs

1.Plant absorbing water from the soil.

Explanation:

Osmomsis occurs by the movement of a water from a region of higher concentration of water molecules to a region of lower concentration of water molecules, through a semi permeable membrane,

OR

It occurs as a result of movement of substance molecules from a region of lower concentration to a region of Higher concentration of the substance.

Note: The higher the concentration of the substance molecules,the lower the concentration of water molecules.