Body Fluids and Circulation MCQ Test

11th Biology Chapter 15: Body Fluids and Circulation MCQ Test

Enhance your understanding with our Body Fluids and Circulation MCQ Test for 11th Biology Chapter 15. Assess your knowledge of the circulatory system and prepare for exams effectively.

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Attempt Chapter wise 11th biology MCQ Test and Monthly Quiz contest of Biology 11th grade.

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Time: 10 Minutes for 10 Question.

11th Biology: Body Fluids and Circulation

1 / 10

1. What initiates the ventricular contraction?

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2 / 10

2. What does the QRS complex in an ECG indicate?

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3 / 10

3. What is the role of the tunica media in blood vessels?

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4 / 10

4. Which valve is associated with the first heart sound (lub)?

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5 / 10

5. What is double circulation?

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6 / 10

6. What is the primary function of the pleural fluid?

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7 / 10

7. How many heart sounds are produced during each cardiac cycle?

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8 / 10

8. What does the residual volume of the lungs indicate?

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9 / 10

9. What marks the end of systole in an ECG?

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10 / 10

10. What is the term for the relaxation phase of the heart?

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Summary for Body Fluids and Circulation MCQ Test

Blood and Its Components:

  • Blood is a liquid that moves around our body in blood vessels.
  • It contains:
    1. Plasma (the liquid part)
    2. Red blood cells (carry oxygen)
    3. White blood cells (fight infections)
    4. Platelets (help blood clot)

Blood Types:

  • We have different blood types (A, B, AB, O) based on proteins on our red blood cells.
  • There’s also the Rh factor, which can be positive or negative.

The Heart and Circulation:

  • The heart is a pump with four chambers (two upper, two lower).
  • It beats about 72 times per minute in a healthy person.
  • Each beat pushes about 70 mL of blood out to the body.
  • We have two main circulation paths:
    1. To and from the lungs (for oxygen pickup)
    2. To and from the rest of the body (to deliver oxygen and nutrients)

Heart Function:

  • The heart beats on its own, but its rate can be changed by nerves and hormones.
  • Doctors can check heart function with a test called an ECG.

Chapter wise biology 11th grade mcq

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Chapter 15 Body Fluids and Circulation MCQ Test
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Pankaj Karn

I’m a dedicated biology teacher specializing in online education and academic writing. Currently, I contribute to QuizRanker.org, where I create engaging and informative biology content. With an MSc degree in hand, I’m passionate about making complex biological concepts accessible and exciting for students everywhere.

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