Science 10 Review Quiz

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Questions and Answers

What type of fatty acid has the given structural formula: CH3 CH2 CH2 CH2 CH=CHCH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 COOH?

  • Polyunsaturated
  • Unsaturated
  • Monounsaturated
  • Saturated (correct)

What is the correct pair of an example of a biomolecule and its function?

  • Collagen: provides cell wall structure
  • Carbohydrates: provides strength and flexibility to connective tissues
  • Protein: provides energy for the body
  • Collagen: provides strength and flexibility to connective tissues (correct)

What is the correct explanation for why a party balloon can still be inflated even when it is already inflated?

  • The volume of the balloon is directly proportional to the temperature
  • Air molecules can be compressed (correct)
  • Gas molecules are in constant motion
  • The pressure of the gas is inversely proportional to its volume

What is the relationship between the volume and temperature of a gas according to Charles' law?

<p>Volume and temperature are directly proportional (D)</p> Signup and view all the answers

What is the classification of biomolecules that includes sugar, starch, cellulose, and glucose?

<p>Carbohydrates (A)</p> Signup and view all the answers

What is the unit of pressure mentioned in the text?

<p>atm (C)</p> Signup and view all the answers

In the context of gas behavior, what happens if a swimmer goes deeper into the sea?

<p>Pressure on the swimmer increases (A)</p> Signup and view all the answers

What do increases in temperature lead to, based on gas behavior?

<p>Increased collisions between gas molecules (B)</p> Signup and view all the answers

Which biomolecule is primarily responsible for cell membrane structure and energy storage?

<p>Lipids (D)</p> Signup and view all the answers

What happens to the pressure of a gas according to Boyle's law when its volume increases?

<p>Pressure decreases (A)</p> Signup and view all the answers

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