Question

what might happen if a thick layer of gel is applied on the surface of leaves ??​

Answer 1

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Applying Vaseline on the surface of the leaf will result in the blockage of small pores(stomata) which are responsible mainly for respiration and thus cutting off the supply of Oxygen and Carbon Dioxide. In absence of respiration and photosynthesis , the plant leaf will die.

Answer 2

Applying Vaseline on the surface of the leaf will result in the blockage of small pores(stomata) which are responsible mainly for respiration and thus cutting off the supply of Oxygen and Carbon dioxide. In absence of respiration and photosynthesis, the plant leaf will die......