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The Importance of Water in Biology

Test your knowledge about the vital role of water in biology with this quiz. Learn about the molecular structure of water and its cohesive properties.

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@SpellbindingGhost
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Questions and Answers

What makes water a polar molecule?

The greater electronegativity of the oxygen atom

What is responsible for the surface tension of water?

Cohesion due to hydrogen bonding

Why does water rise in a narrow glass tube when lowered into a beaker of water?

Adhesion to the glass surface

What characteristic of water allows insects to glide atop the surface instead of sinking?

<p>High surface tension</p> Signup and view all the answers

What is responsible for the polarity of the water molecule?

<p>The electronegativity of the oxygen atom</p> Signup and view all the answers

What causes water to adhere to any substance with which it can form hydrogen bonds?

<p>Polarity of water</p> Signup and view all the answers

What is the primary reason for the high surface tension of water?

<p>The cohesion of water molecules</p> Signup and view all the answers

Why do insects glide atop the surface of water instead of sinking?

<p>The high surface tension of water due to hydrogen bonding</p> Signup and view all the answers

What causes the water to rise in a narrow glass tube when lowered into a beaker of water?

<p>The adhesion of water to the glass surface, drawing it upward</p> Signup and view all the answers

What characteristic of the water molecule makes it attracted to other polar molecules?

<p>The electronegativity of the oxygen atom</p> Signup and view all the answers

What is the primary reason for the cohesive property of water?

<p>The electronegativity of the oxygen atom in the water molecule</p> Signup and view all the answers

Why does an insect glide atop the surface of water instead of sinking?

<p>The high surface tension of water</p> Signup and view all the answers

What causes the water to rise in a narrow glass tube above the level of the water in a beaker?

<p>The adhesive property of water to glass</p> Signup and view all the answers

What characteristic of water allows it to be attracted to other polar molecules?

<p>The electronegativity of the oxygen atom in the water molecule</p> Signup and view all the answers

What is responsible for the high surface tension of water?

<p>The electronegativity of the oxygen atom in the water molecule</p> Signup and view all the answers

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