Human Respiratory System Quiz

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Questions and Answers

Which organelle is responsible for maintaining cell turgor pressure in plant cells?

  • Ribosome
  • Mitochondrion
  • Nucleus
  • Vacuole (correct)

What is the correct equation for photosynthesis?

  • Water+oxygen+energy → Glucose+carbon dioxide
  • Water+carbon dioxide → Glucose+energy (correct)
  • Water+carbon dioxide → Glucose oxygen
  • Carbon dioxide → glucose+water

Which division is responsible for the somatic cells in humans?

  • Metaphase
  • Mitosis (correct)
  • Meiosis
  • Prophase

Which organelle contains the genetic material (DNA) of the cell?

<p>Nucleus (B)</p> Signup and view all the answers

Which of the following is not a function of the ribosome?

<p>Energy production (B)</p> Signup and view all the answers

Which of the following is not a type of passive transport across the cell membrane?

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

Which type of cell lacks a well-defined nucleus?

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

What is NOT a characteristic of a prokaryotic cell?

<p>Has a nucleus (B)</p> Signup and view all the answers

Which of the following is NOT a significant application of mitosis?

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

What is the best analysis for hydrophilic and hydrophobic molecules?

<p>Hydrophilic are water-loving molecules that are polar covalently or ionic bonded, while hydrophobic are nonpolar. (D)</p> Signup and view all the answers

Which organelle functions in the production of energy?

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

What is the primary function of the cell wall in plant cells?

<p>Provides structural support and protection (A)</p> Signup and view all the answers

What is the primary function of the immune system?

<p>Protection against diseases and infections (C)</p> Signup and view all the answers

Which of the following is the primary organ responsible for respiration in humans?

<p>Lungs (B)</p> Signup and view all the answers

What is the term for the small air sacs in the lungs where gas exchange occurs?

<p>Alveoli (B)</p> Signup and view all the answers

Which hormone is produced by the pancreas and helps regulate blood sugar levels?

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

What is the main function of antibodies in the immune system?

<p>Recognizing and binding to specific antigens (C)</p> Signup and view all the answers

Which of the following structures is not part of the respiratory system?

<p>Duodenum (B)</p> Signup and view all the answers

Which organ is NOT considered part of the gastrointestinal tract?

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

What is the primary role of enzymes in the digestive process?

<p>Chemical breakdown of food molecules (C)</p> Signup and view all the answers

What is a major function of the large intestine?

<p>Absorption of water and ions (D)</p> Signup and view all the answers

What is the correct pathway of food through the digestive system?

<p>Mouth -&gt; Esophagus -&gt; Stomach -&gt; Small intestine -&gt; Large intestine (C)</p> Signup and view all the answers

Which gland is responsible for producing melatonin, a hormone that regulates sleep-wake cycles?

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

What is the primary organ of the circulatory system responsible for pumping blood throughout the body?

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

What is the function of red blood cells in the circulatory system?

<p>Deliver oxygen throughout the body (B)</p> Signup and view all the answers

What is the function of valves in the circulatory system?

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

What is the largest artery of the body?

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

Which of the following types of blood vessels carries oxygen-rich blood (except pulmonary artery) away from the heart to the rest of the body?

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

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