Plasmolysis is the result of

$A$ $hypotonic$ solution is defined as . . .

$A$ cell placed in a strong solution will shrink because:

Osmosis is helpful to plants because

Water absorption by root hairs from the external medium occurs through which of the following?

$A$ flowering plant is planted in an earthen pot and irrigated. Urea is added to make the plant grow faster,but after some time the plant dies. This may be due to $..........$