Question

why the respiration can't be demonstrated in green plant kept in the sunlight?

Answer 1

It is not possible to demonstrate respiration in green plants kept in sunlight because during day time plants are undergoing photosynthesis. During this time oxygen is given out by plants as waste product and they take carbon dioxide to make food their own food.

Answer 2

During sunlight , the carbon dioxide evolved , will be used for the process of photosynthesis. Hence , we cantdemonstrate respiration in green plants that are kept in sunlight. Todemonstrate respiration in green plants , it is preferable to keep them in a dark room , where there is no source of light like sun.

hope it clarifies ur doubt dear friend..