OBJECTIVE LIFE SCIENCE
DIVERSITY AMONG LIFE FORMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable. This waxy coating is which of the following types of organic molecule?
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carbohydrate
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protein
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lipid
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phospholipid
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Explanation:
Detailed explanation-1: -This waxy coating is called the cuticle, and it serves several important functions for the plant. First, the cuticle helps to reduce water loss from the plant by slowing down transpiration, which is the process by which water evaporates from the plant surface.
Detailed explanation-2: -Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable.
Detailed explanation-3: -Cuticle: It is the waxy layer on the epidermis of the leaves meant to reduce transpiration. Since, it is made up of waxy substances, it does not permit the removal of water from the leaves and stem. In this way waxy cuticle reduces the rate of transpiration.
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