Atmospheric oxygen is used by living beings for _________ .
respiration
decomposition
growth
transpiration
Plants and animals are dependent on oxygen for respiration.
__ (Transpiration/ Respiration) can be investigated by placing a plastic bag over the shoot of a plant.
Oxygen is used by living organisms during respiration but it also supports_____________.
Assertion (A): Transpiration is a biological activity
Reason (R): Transpiration occurs through living tissues of aerial parts of plants