Which of the following makes protective coatings around the plant organs?
Correct answer: B. Waxes
- A. Lipids
- B. Waxes
- C. Glycerols
- D. Glycolipids
Explanation
Option B is correct because the cuticle is a waxy layer that reduces loss of excessive water during high temperatures in plants during transpiration.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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