Question

from where do the plants which live in water get oxygen for respiration
​

Answer 1

Answer:

Plants breathe through pores present on their leaf surface called stomata. Oxygen in the air gets dissolved in water existing in plant tissues. This dissolved oxygen is utilised for respiration. Also plants get their oxygen from the process of photosynthesis, as oxygen is byproduct of this process.

Answer 2

Answer:

From the oxygen dissolved in water

Explanation:

Plants breathe through pores present on their leaf surface called stomata. Oxygen in the air gets dissolved in water and plants utilise it for respiration. Also plants get their oxygen from the process of photosynthesis, as oxygen is byproduct of this process.