62. a) Leaves of a healthy potted plant were coated with Vaseline. Will this plant remain healthy for long? Give reasons for your answer.
The Leaves of a healthy plant coated with Vaseline would not stay healthy because Vaseline coating will block the stomata. In a plant, there will be no intake of carbon dioxide from the surrounding to carry out the process of photosynthesis because the pores of stomata are blocked by the Vaseline.