Articles > Quizzes & Surveys > Hydrophobic definition – quiz Hydrophobic definition – quiz Quiz Choose the best answer. 1. What is hydrophobic? Having an affinity for water Soluble in water Repelling water Water-loving 2. Which of the following is hydrophobic? Detergents Cellulose Starch Phospholipid 3. Which of the following exemplifies the importance of hydrophobicity? In plants, the hydrophobic layer on the leaf surface helps prevent water loss The hydrophobic feathers of birds repel water and thus help keep them stay lightweight The hydrophobic region of the plasma membrane helps prevent easy access of polar molecules, including water. All of the above 4. The contact angle of a superhydrophobic surface 5 degrees 90 degrees 120 degrees 180 degrees 5. Which of the following is a feature of a hydrophobic substance? nonpolar polar a contact angle of 3 degrees strong affinity for water molecules Send Your Results (Optional) Your Name To Email Time is Up!