Multiple choice

In which of the following plants would the metabolism be hindered, if the leaves are coated with wax on their upper surface?

  1. Hydrilla

  2. Pistia

  3. Lotus

  4. Vallisneria

  5. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In lotus plant, the metabolism might be hindered if the leaves are coated with wax on their upper surface. The reason is that the exchange of gases takes place through the leaf surface, present on the upper surface. Since the upper surface of the leaf is above water, hence high frequency of stomata is present on the upper surface only. So, when the upper surface is coated, the gas exchange and other activities will eventually stop.

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