NEET Biology — Body Fluids and Circulation

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Which of the following statements about heart valves is incorrect?

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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 Following, Statements, Incorrect, Erythropoiesis, Produces, and Histamine.

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 of the following statements about heart valves is incorrect?

A. The bicuspid valve is located between the left atrium and left ventricle.
B. The tricuspid valve prevents backflow into the right atrium.
C. The pulmonary valve prevents backflow into the left ventricle.
D. The aortic valve prevents backflow into the left ventricle.

Q2. Which of the following statements about erythropoiesis is correct?

A. Erythropoiesis occurs in the liver of adults.
B. Erythropoietin is a hormone that stimulates RBC production.
C. Iron plays no role in erythropoiesis.
D. RBCs are produced in lymph nodes.

Q3. Which type of WBCs produces histamine during allergic reactions?

A. Neutrophils
B. Basophils
C. Eosinophils
D. Monocytes

Q4. Which blood cells are responsible for antibody production?

A. T-lymphocytes
B. B-lymphocytes
C. Monocytes
D. Eosinophils

Q5. Which structure initiates the contraction of the heart?

A. AV node
B. Purkinje fibers
C. Sinoatrial (SA) node
D. Bundle of His

+ 5 more questions in the actual test

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