11th Biology Half Yearly Exam 2023
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Questions and Answers

What is the function of a vacuole in a plant cell?

  • Storage of water and nutrients (correct)
  • Synthesis of proteins
  • Cell movement and locomotion
  • Regulation of cell shape
  • Which process is primarily responsible for the exchange of gases in the alveoli of the lungs?

  • Filtration
  • Osmosis
  • Diffusion (correct)
  • Active transport
  • What is the function of red blood cells in the human body?

  • Regulating body temperature
  • Producing antibodies for immune response
  • Assisting in digestion
  • Transporting oxygen to body tissues (correct)
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