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Uttarakhand Board Class 10 Class10 Life Transport Excretion — practice questions

Explore 2 free Class10 Life Transport Excretion questions in Uttarakhand Board Class 10 Science. Open each question or exercise to read its content, reference answers and available explanation.

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Class10 Life Transport Excretion questions and exercises with answers

Showing questions 1–2 of 2.

Arteries carry blood:Read the answer and worked solution →The functional unit of the kidney is the:Read the answer and worked solution →

Worked practice questions

Arteries carry blood:

  1. Toward the heart
  2. Only inside the lungs
  3. Away from the heart
  4. Inside bones only
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Correct answer: C. Away from the heart

Arteries always carry blood AWAY from the heart; veins carry it back. Pulmonary artery is the only artery with O₂-poor blood.

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The functional unit of the kidney is the:

  1. Alveolus
  2. Bladder
  3. Glomerulus alone
  4. Nephron
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Correct answer: D. Nephron

**Nephron is the kidney's filtering unit:** glomerulus + Bowman's capsule + tubule. Each kidney has about a million nephrons.

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