NEET Biology: Body Fluids and Circulation — MCQ Test 15

Q6. Which of the following is incorrect about systemic circulation?

Q7. Which of the following statements is correct about the sinoatrial (SA) node?

Q8. Which heart valve prevents backflow of blood from the right ventricle into the right atrium?

Q9. Which of the following statements about veins is true?

Q10. Which of the following is incorrect about the human circulatory system?

NEET Biology — Body Fluids and Circulation

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Which blood disorder is caused by an excessive number of red blood cells?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Body Fluids and Circulation. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Disorder, Excessive, Thickest, Following, Incorrect, and Regarding.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which blood disorder is caused by an excessive number of red blood cells?

  • A. Anemia
  • B. Polycythemia
  • C. Thrombocytopenia
  • D. Leukocytosis

Q2. Which type of blood vessel has the thickest walls?

  • A. Veins
  • B. Arteries
  • C. Capillaries
  • D. Lymphatic vessels

Q3. Which of the following is incorrect about plasma?

  • A. Plasma is a non-viscous fluid.
  • B. Plasma constitutes about 55% of blood.
  • C. Plasma contains proteins like albumin and fibrinogen.
  • D. Plasma helps in the transport of nutrients and waste products.

Q4. Which of the following is incorrect regarding the lymphatic system?

  • A. It plays a role in immune defense.
  • B. It absorbs fats from the intestine.
  • C. It transports oxygen and carbon dioxide.
  • D. It drains excess interstitial fluid.

Q5. What is the function of Purkinje fibers in the heart?

  • A. Generate electrical impulses
  • B. Transmit impulses to ventricles
  • C. Control blood pressure
  • D. Regulate heart valve movement

+ 5 more questions in the actual test

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