Excretion and Organ Systems Quiz

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Questions and Answers

Which organs are primarily involved in excretion in vertebrates?

  • Lungs, kidneys, and skin (correct)
  • Brain, muscles, and bones
  • Heart, liver, and spleen
  • Stomach, intestines, and pancreas

What are the waste products produced during cellular respiration in mammals?

  • Calcium, iron, potassium, and sodium
  • Carbon dioxide, water, salts, urea, and uric acid (correct)
  • Oxygen, glucose, amino acids, and lipids
  • Starch, cellulose, fructose, and sucrose

What is the by-product generated during photosynthesis in green plants?

  • Oxygen (correct)
  • Water
  • Urea
  • Carbon dioxide

How do unicellular organisms discharge waste products?

<p>Directly through the surface of the cell (A)</p> Signup and view all the answers

How do green plants excrete carbon dioxide and water?

<p>As respiratory products (D)</p> Signup and view all the answers

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